Home / 624,267.27-861,339.02-379,247.13

Finding the Fourth Proportional to 624,267.27, 861,339.02 and 379,247.13

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Solution

The fourth proportional to 624,267.27, 861,339.02 and 379,247.13 is: 523,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,267.27 : 861,339.02 = 379,247.13 : x
  2. Step 2: Convert to fraction form
    624,267.27/861,339.02 = 379,247.13/x
  3. Step 3: Cross multiply
    624,267.27x = 861,339.02 × 379,247.13
  4. Step 4: Simplify right side
    624,267.27x = 326,660,349,395.78
  5. Step 5: Solve for x
    x = 326,660,349,395.78/624,267.27
  6. Step 6: Final answer
    x = 523,270.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.