Home / 781,222.92-1,078,116.66-441,670.92

Finding the Fourth Proportional to 781,222.92, 1,078,116.66 and 441,670.92

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Solution

The fourth proportional to 781,222.92, 1,078,116.66 and 441,670.92 is: 609,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,222.92 : 1,078,116.66 = 441,670.92 : x
  2. Step 2: Convert to fraction form
    781,222.92/1,078,116.66 = 441,670.92/x
  3. Step 3: Cross multiply
    781,222.92x = 1,078,116.66 × 441,670.92
  4. Step 4: Simplify right side
    781,222.92x = 476,172,777,089.53
  5. Step 5: Solve for x
    x = 476,172,777,089.53/781,222.92
  6. Step 6: Final answer
    x = 609,522.28

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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.