Home / 918,084.43-1,266,875.85-510,160.42

Finding the Fourth Proportional to 918,084.43, 1,266,875.85 and 510,160.42

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Solution

The fourth proportional to 918,084.43, 1,266,875.85 and 510,160.42 is: 703,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,084.43 : 1,266,875.85 = 510,160.42 : x
  2. Step 2: Convert to fraction form
    918,084.43/1,266,875.85 = 510,160.42/x
  3. Step 3: Cross multiply
    918,084.43x = 1,266,875.85 × 510,160.42
  4. Step 4: Simplify right side
    918,084.43x = 646,309,915,723.86
  5. Step 5: Solve for x
    x = 646,309,915,723.86/918,084.43
  6. Step 6: Final answer
    x = 703,976.56

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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.