Home / 726,707.79-1,002,842.76-404,417.43

Finding the Fourth Proportional to 726,707.79, 1,002,842.76 and 404,417.43

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Solution

The fourth proportional to 726,707.79, 1,002,842.76 and 404,417.43 is: 558,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,707.79 : 1,002,842.76 = 404,417.43 : x
  2. Step 2: Convert to fraction form
    726,707.79/1,002,842.76 = 404,417.43/x
  3. Step 3: Cross multiply
    726,707.79x = 1,002,842.76 × 404,417.43
  4. Step 4: Simplify right side
    726,707.79x = 405,567,091,693.31
  5. Step 5: Solve for x
    x = 405,567,091,693.31/726,707.79
  6. Step 6: Final answer
    x = 558,088.27

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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.