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Finding the Fourth Proportional to 653,250.60, 979,623.18 and 253,838.80

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Solution

The fourth proportional to 653,250.60, 979,623.18 and 253,838.80 is: 380,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,250.60 : 979,623.18 = 253,838.80 : x
  2. Step 2: Convert to fraction form
    653,250.60/979,623.18 = 253,838.80/x
  3. Step 3: Cross multiply
    653,250.60x = 979,623.18 × 253,838.80
  4. Step 4: Simplify right side
    653,250.60x = 248,666,372,463.38
  5. Step 5: Solve for x
    x = 248,666,372,463.38/653,250.60
  6. Step 6: Final answer
    x = 380,660.00

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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.