Home / 839,263.50-1,257,998.92-478,658.02

Finding the Fourth Proportional to 839,263.50, 1,257,998.92 and 478,658.02

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Solution

The fourth proportional to 839,263.50, 1,257,998.92 and 478,658.02 is: 717,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,263.50 : 1,257,998.92 = 478,658.02 : x
  2. Step 2: Convert to fraction form
    839,263.50/1,257,998.92 = 478,658.02/x
  3. Step 3: Cross multiply
    839,263.50x = 1,257,998.92 × 478,658.02
  4. Step 4: Simplify right side
    839,263.50x = 602,151,272,209.34
  5. Step 5: Solve for x
    x = 602,151,272,209.34/839,263.50
  6. Step 6: Final answer
    x = 717,475.83

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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.