Home / 726,132.70-1,090,235.85-411,204.70

Finding the Fourth Proportional to 726,132.70, 1,090,235.85 and 411,204.70

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Solution

The fourth proportional to 726,132.70, 1,090,235.85 and 411,204.70 is: 617,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,132.70 : 1,090,235.85 = 411,204.70 : x
  2. Step 2: Convert to fraction form
    726,132.70/1,090,235.85 = 411,204.70/x
  3. Step 3: Cross multiply
    726,132.70x = 1,090,235.85 × 411,204.70
  4. Step 4: Simplify right side
    726,132.70x = 448,310,105,628.50
  5. Step 5: Solve for x
    x = 448,310,105,628.50/726,132.70
  6. Step 6: Final answer
    x = 617,394.18

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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.