Home / 849,405.80-1,172,180.18-467,432.57

Finding the Fourth Proportional to 849,405.80, 1,172,180.18 and 467,432.57

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Solution

The fourth proportional to 849,405.80, 1,172,180.18 and 467,432.57 is: 645,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,405.80 : 1,172,180.18 = 467,432.57 : x
  2. Step 2: Convert to fraction form
    849,405.80/1,172,180.18 = 467,432.57/x
  3. Step 3: Cross multiply
    849,405.80x = 1,172,180.18 × 467,432.57
  4. Step 4: Simplify right side
    849,405.80x = 547,915,198,139.50
  5. Step 5: Solve for x
    x = 547,915,198,139.50/849,405.80
  6. Step 6: Final answer
    x = 645,057.05

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1.5x scale

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.