Home / 728,636.83-1,005,175.65-473,895.07

Finding the Fourth Proportional to 728,636.83, 1,005,175.65 and 473,895.07

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Solution

The fourth proportional to 728,636.83, 1,005,175.65 and 473,895.07 is: 653,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,636.83 : 1,005,175.65 = 473,895.07 : x
  2. Step 2: Convert to fraction form
    728,636.83/1,005,175.65 = 473,895.07/x
  3. Step 3: Cross multiply
    728,636.83x = 1,005,175.65 × 473,895.07
  4. Step 4: Simplify right side
    728,636.83x = 476,347,785,019.05
  5. Step 5: Solve for x
    x = 476,347,785,019.05/728,636.83
  6. Step 6: Final answer
    x = 653,752.00

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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.