Home / 852,647.52-1,176,655.68-465,463.20

Finding the Fourth Proportional to 852,647.52, 1,176,655.68 and 465,463.20

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Solution

The fourth proportional to 852,647.52, 1,176,655.68 and 465,463.20 is: 642,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,647.52 : 1,176,655.68 = 465,463.20 : x
  2. Step 2: Convert to fraction form
    852,647.52/1,176,655.68 = 465,463.20/x
  3. Step 3: Cross multiply
    852,647.52x = 1,176,655.68 × 465,463.20
  4. Step 4: Simplify right side
    852,647.52x = 547,689,918,110.98
  5. Step 5: Solve for x
    x = 547,689,918,110.98/852,647.52
  6. Step 6: Final answer
    x = 642,340.36

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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.