Home / 728,308.08-1,004,495.40-473,740.56

Finding the Fourth Proportional to 728,308.08, 1,004,495.40 and 473,740.56

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Solution

The fourth proportional to 728,308.08, 1,004,495.40 and 473,740.56 is: 653,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,308.08 : 1,004,495.40 = 473,740.56 : x
  2. Step 2: Convert to fraction form
    728,308.08/1,004,495.40 = 473,740.56/x
  3. Step 3: Cross multiply
    728,308.08x = 1,004,495.40 × 473,740.56
  4. Step 4: Simplify right side
    728,308.08x = 475,870,213,313.42
  5. Step 5: Solve for x
    x = 475,870,213,313.42/728,308.08
  6. Step 6: Final answer
    x = 653,391.37

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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.