Home / 788,227.18-1,087,930.56-516,137.05

Finding the Fourth Proportional to 788,227.18, 1,087,930.56 and 516,137.05

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Solution

The fourth proportional to 788,227.18, 1,087,930.56 and 516,137.05 is: 712,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,227.18 : 1,087,930.56 = 516,137.05 : x
  2. Step 2: Convert to fraction form
    788,227.18/1,087,930.56 = 516,137.05/x
  3. Step 3: Cross multiply
    788,227.18x = 1,087,930.56 × 516,137.05
  4. Step 4: Simplify right side
    788,227.18x = 561,521,264,403.60
  5. Step 5: Solve for x
    x = 561,521,264,403.60/788,227.18
  6. Step 6: Final answer
    x = 712,385.06

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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.