Home / 747,702.72-1,033,178.80-532,469.12

Finding the Fourth Proportional to 747,702.72, 1,033,178.80 and 532,469.12

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Solution

The fourth proportional to 747,702.72, 1,033,178.80 and 532,469.12 is: 735,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,702.72 : 1,033,178.80 = 532,469.12 : x
  2. Step 2: Convert to fraction form
    747,702.72/1,033,178.80 = 532,469.12/x
  3. Step 3: Cross multiply
    747,702.72x = 1,033,178.80 × 532,469.12
  4. Step 4: Simplify right side
    747,702.72x = 550,135,806,438.66
  5. Step 5: Solve for x
    x = 550,135,806,438.66/747,702.72
  6. Step 6: Final answer
    x = 735,768.10

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Double scale
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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.