Home / 729,258.80-1,006,350.90-457,473.02

Finding the Fourth Proportional to 729,258.80, 1,006,350.90 and 457,473.02

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Solution

The fourth proportional to 729,258.80, 1,006,350.90 and 457,473.02 is: 631,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,258.80 : 1,006,350.90 = 457,473.02 : x
  2. Step 2: Convert to fraction form
    729,258.80/1,006,350.90 = 457,473.02/x
  3. Step 3: Cross multiply
    729,258.80x = 1,006,350.90 × 457,473.02
  4. Step 4: Simplify right side
    729,258.80x = 460,378,385,402.72
  5. Step 5: Solve for x
    x = 460,378,385,402.72/729,258.80
  6. Step 6: Final answer
    x = 631,296.30

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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.