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Finding the Fourth Proportional to 523,023.52, 783,860.82 and 253,088.20

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Solution

The fourth proportional to 523,023.52, 783,860.82 and 253,088.20 is: 379,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,023.52 : 783,860.82 = 253,088.20 : x
  2. Step 2: Convert to fraction form
    523,023.52/783,860.82 = 253,088.20/x
  3. Step 3: Cross multiply
    523,023.52x = 783,860.82 × 253,088.20
  4. Step 4: Simplify right side
    523,023.52x = 198,385,923,984.32
  5. Step 5: Solve for x
    x = 198,385,923,984.32/523,023.52
  6. Step 6: Final answer
    x = 379,305.93

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1.5x scale

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.