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Finding the Fourth Proportional to 503,808.80, 755,713.20 and 291,232.40

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Solution

The fourth proportional to 503,808.80, 755,713.20 and 291,232.40 is: 436,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,808.80 : 755,713.20 = 291,232.40 : x
  2. Step 2: Convert to fraction form
    503,808.80/755,713.20 = 291,232.40/x
  3. Step 3: Cross multiply
    503,808.80x = 755,713.20 × 291,232.40
  4. Step 4: Simplify right side
    503,808.80x = 220,088,168,947.68
  5. Step 5: Solve for x
    x = 220,088,168,947.68/503,808.80
  6. Step 6: Final answer
    x = 436,848.60

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Similar ratio
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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.