Home / 653,130.11-980,068.26-253,718.90

Finding the Fourth Proportional to 653,130.11, 980,068.26 and 253,718.90

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Solution

The fourth proportional to 653,130.11, 980,068.26 and 253,718.90 is: 380,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,130.11 : 980,068.26 = 253,718.90 : x
  2. Step 2: Convert to fraction form
    653,130.11/980,068.26 = 253,718.90/x
  3. Step 3: Cross multiply
    653,130.11x = 980,068.26 × 253,718.90
  4. Step 4: Simplify right side
    653,130.11x = 248,661,835,951.77
  5. Step 5: Solve for x
    x = 248,661,835,951.77/653,130.11
  6. Step 6: Final answer
    x = 380,723.28

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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.