Home / 783,812.64-1,175,661.85-351,663.92

Finding the Fourth Proportional to 783,812.64, 1,175,661.85 and 351,663.92

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Solution

The fourth proportional to 783,812.64, 1,175,661.85 and 351,663.92 is: 527,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,812.64 : 1,175,661.85 = 351,663.92 : x
  2. Step 2: Convert to fraction form
    783,812.64/1,175,661.85 = 351,663.92/x
  3. Step 3: Cross multiply
    783,812.64x = 1,175,661.85 × 351,663.92
  4. Step 4: Simplify right side
    783,812.64x = 413,437,854,765.45
  5. Step 5: Solve for x
    x = 413,437,854,765.45/783,812.64
  6. Step 6: Final answer
    x = 527,470.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.