Home / 726,676.20-1,090,014.30-371,572.20

Finding the Fourth Proportional to 726,676.20, 1,090,014.30 and 371,572.20

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Solution

The fourth proportional to 726,676.20, 1,090,014.30 and 371,572.20 is: 557,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,676.20 : 1,090,014.30 = 371,572.20 : x
  2. Step 2: Convert to fraction form
    726,676.20/1,090,014.30 = 371,572.20/x
  3. Step 3: Cross multiply
    726,676.20x = 1,090,014.30 × 371,572.20
  4. Step 4: Simplify right side
    726,676.20x = 405,019,011,482.46
  5. Step 5: Solve for x
    x = 405,019,011,482.46/726,676.20
  6. Step 6: Final answer
    x = 557,358.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.