Home / 747,068.85-1,031,003.78-424,809

Finding the Fourth Proportional to 747,068.85, 1,031,003.78 and 424,809

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Solution

The fourth proportional to 747,068.85, 1,031,003.78 and 424,809 is: 586,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,068.85 : 1,031,003.78 = 424,809 : x
  2. Step 2: Convert to fraction form
    747,068.85/1,031,003.78 = 424,809/x
  3. Step 3: Cross multiply
    747,068.85x = 1,031,003.78 × 424,809
  4. Step 4: Simplify right side
    747,068.85x = 437,979,682,653.98
  5. Step 5: Solve for x
    x = 437,979,682,653.98/747,068.85
  6. Step 6: Final answer
    x = 586,264.15

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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.