Home / 874,165.95-1,310,904.09-424,753.83

Finding the Fourth Proportional to 874,165.95, 1,310,904.09 and 424,753.83

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Solution

The fourth proportional to 874,165.95, 1,310,904.09 and 424,753.83 is: 636,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,165.95 : 1,310,904.09 = 424,753.83 : x
  2. Step 2: Convert to fraction form
    874,165.95/1,310,904.09 = 424,753.83/x
  3. Step 3: Cross multiply
    874,165.95x = 1,310,904.09 × 424,753.83
  4. Step 4: Simplify right side
    874,165.95x = 556,811,532,990.17
  5. Step 5: Solve for x
    x = 556,811,532,990.17/874,165.95
  6. Step 6: Final answer
    x = 636,963.19

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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.