Home / 785,497.50-1,177,147.92-424,889.89

Finding the Fourth Proportional to 785,497.50, 1,177,147.92 and 424,889.89

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Solution

The fourth proportional to 785,497.50, 1,177,147.92 and 424,889.89 is: 636,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,497.50 : 1,177,147.92 = 424,889.89 : x
  2. Step 2: Convert to fraction form
    785,497.50/1,177,147.92 = 424,889.89/x
  3. Step 3: Cross multiply
    785,497.50x = 1,177,147.92 × 424,889.89
  4. Step 4: Simplify right side
    785,497.50x = 500,158,250,242.53
  5. Step 5: Solve for x
    x = 500,158,250,242.53/785,497.50
  6. Step 6: Final answer
    x = 636,740.73

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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.