Home / 784,662.75-1,175,897.92-424,056.19

Finding the Fourth Proportional to 784,662.75, 1,175,897.92 and 424,056.19

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Solution

The fourth proportional to 784,662.75, 1,175,897.92 and 424,056.19 is: 635,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,662.75 : 1,175,897.92 = 424,056.19 : x
  2. Step 2: Convert to fraction form
    784,662.75/1,175,897.92 = 424,056.19/x
  3. Step 3: Cross multiply
    784,662.75x = 1,175,897.92 × 424,056.19
  4. Step 4: Simplify right side
    784,662.75x = 498,646,785,904.64
  5. Step 5: Solve for x
    x = 498,646,785,904.64/784,662.75
  6. Step 6: Final answer
    x = 635,491.85

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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.