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Finding the Fourth Proportional to 440,702.84, 659,447.22 and 407,248.76

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Solution

The fourth proportional to 440,702.84, 659,447.22 and 407,248.76 is: 609,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,702.84 : 659,447.22 = 407,248.76 : x
  2. Step 2: Convert to fraction form
    440,702.84/659,447.22 = 407,248.76/x
  3. Step 3: Cross multiply
    440,702.84x = 659,447.22 × 407,248.76
  4. Step 4: Simplify right side
    440,702.84x = 268,559,062,630.45
  5. Step 5: Solve for x
    x = 268,559,062,630.45/440,702.84
  6. Step 6: Final answer
    x = 609,388.09

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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.