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Finding the Fourth Proportional to 584,737.80, 877,106.70 and 285,410.40

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Solution

The fourth proportional to 584,737.80, 877,106.70 and 285,410.40 is: 428,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,737.80 : 877,106.70 = 285,410.40 : x
  2. Step 2: Convert to fraction form
    584,737.80/877,106.70 = 285,410.40/x
  3. Step 3: Cross multiply
    584,737.80x = 877,106.70 × 285,410.40
  4. Step 4: Simplify right side
    584,737.80x = 250,335,374,089.68
  5. Step 5: Solve for x
    x = 250,335,374,089.68/584,737.80
  6. Step 6: Final answer
    x = 428,115.60

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Similar ratio
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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.