Home / 519,715.50-779,573.28-125,731.50

Finding the Fourth Proportional to 519,715.50, 779,573.28 and 125,731.50

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Solution

The fourth proportional to 519,715.50, 779,573.28 and 125,731.50 is: 188,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,715.50 : 779,573.28 = 125,731.50 : x
  2. Step 2: Convert to fraction form
    519,715.50/779,573.28 = 125,731.50/x
  3. Step 3: Cross multiply
    519,715.50x = 779,573.28 × 125,731.50
  4. Step 4: Simplify right side
    519,715.50x = 98,016,917,854.32
  5. Step 5: Solve for x
    x = 98,016,917,854.32/519,715.50
  6. Step 6: Final answer
    x = 188,597.26

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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.