Home / 747,288.29-1,031,280.63-425,044.82

Finding the Fourth Proportional to 747,288.29, 1,031,280.63 and 425,044.82

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Solution

The fourth proportional to 747,288.29, 1,031,280.63 and 425,044.82 is: 586,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,288.29 : 1,031,280.63 = 425,044.82 : x
  2. Step 2: Convert to fraction form
    747,288.29/1,031,280.63 = 425,044.82/x
  3. Step 3: Cross multiply
    747,288.29x = 1,031,280.63 × 425,044.82
  4. Step 4: Simplify right side
    747,288.29x = 438,340,489,747.84
  5. Step 5: Solve for x
    x = 438,340,489,747.84/747,288.29
  6. Step 6: Final answer
    x = 586,574.81

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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.