Home / 747,661.08-1,031,759.09-425,364.27

Finding the Fourth Proportional to 747,661.08, 1,031,759.09 and 425,364.27

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Solution

The fourth proportional to 747,661.08, 1,031,759.09 and 425,364.27 is: 586,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,661.08 : 1,031,759.09 = 425,364.27 : x
  2. Step 2: Convert to fraction form
    747,661.08/1,031,759.09 = 425,364.27/x
  3. Step 3: Cross multiply
    747,661.08x = 1,031,759.09 × 425,364.27
  4. Step 4: Simplify right side
    747,661.08x = 438,873,447,732.91
  5. Step 5: Solve for x
    x = 438,873,447,732.91/747,661.08
  6. Step 6: Final answer
    x = 586,995.17

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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.