Home / 753,166.10-1,038,853.40-481,113.20

Finding the Fourth Proportional to 753,166.10, 1,038,853.40 and 481,113.20

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Solution

The fourth proportional to 753,166.10, 1,038,853.40 and 481,113.20 is: 663,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,166.10 : 1,038,853.40 = 481,113.20 : x
  2. Step 2: Convert to fraction form
    753,166.10/1,038,853.40 = 481,113.20/x
  3. Step 3: Cross multiply
    753,166.10x = 1,038,853.40 × 481,113.20
  4. Step 4: Simplify right side
    753,166.10x = 499,806,083,796.45
  5. Step 5: Solve for x
    x = 499,806,083,796.45/753,166.10
  6. Step 6: Final answer
    x = 663,606.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.