Home / 653,132.61-980,072.01-253,721.40

Finding the Fourth Proportional to 653,132.61, 980,072.01 and 253,721.40

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Solution

The fourth proportional to 653,132.61, 980,072.01 and 253,721.40 is: 380,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,132.61 : 980,072.01 = 253,721.40 : x
  2. Step 2: Convert to fraction form
    653,132.61/980,072.01 = 253,721.40/x
  3. Step 3: Cross multiply
    653,132.61x = 980,072.01 × 253,721.40
  4. Step 4: Simplify right side
    653,132.61x = 248,665,242,478.01
  5. Step 5: Solve for x
    x = 248,665,242,478.01/653,132.61
  6. Step 6: Final answer
    x = 380,727.04

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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.