Home / 741,603.72-1,023,414.30-402,072.84

Finding the Fourth Proportional to 741,603.72, 1,023,414.30 and 402,072.84

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Solution

The fourth proportional to 741,603.72, 1,023,414.30 and 402,072.84 is: 554,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,603.72 : 1,023,414.30 = 402,072.84 : x
  2. Step 2: Convert to fraction form
    741,603.72/1,023,414.30 = 402,072.84/x
  3. Step 3: Cross multiply
    741,603.72x = 1,023,414.30 × 402,072.84
  4. Step 4: Simplify right side
    741,603.72x = 411,487,094,097.61
  5. Step 5: Solve for x
    x = 411,487,094,097.61/741,603.72
  6. Step 6: Final answer
    x = 554,861.15

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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.