Home / 917,073.42-1,265,600.85-509,175.29

Finding the Fourth Proportional to 917,073.42, 1,265,600.85 and 509,175.29

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Solution

The fourth proportional to 917,073.42, 1,265,600.85 and 509,175.29 is: 702,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,073.42 : 1,265,600.85 = 509,175.29 : x
  2. Step 2: Convert to fraction form
    917,073.42/1,265,600.85 = 509,175.29/x
  3. Step 3: Cross multiply
    917,073.42x = 1,265,600.85 × 509,175.29
  4. Step 4: Simplify right side
    917,073.42x = 644,412,679,823.00
  5. Step 5: Solve for x
    x = 644,412,679,823.00/917,073.42
  6. Step 6: Final answer
    x = 702,683.85

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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.