Home / 985,672.17-1,478,285.28-452,680.83

Finding the Fourth Proportional to 985,672.17, 1,478,285.28 and 452,680.83

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Solution

The fourth proportional to 985,672.17, 1,478,285.28 and 452,680.83 is: 678,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,672.17 : 1,478,285.28 = 452,680.83 : x
  2. Step 2: Convert to fraction form
    985,672.17/1,478,285.28 = 452,680.83/x
  3. Step 3: Cross multiply
    985,672.17x = 1,478,285.28 × 452,680.83
  4. Step 4: Simplify right side
    985,672.17x = 669,191,407,527.18
  5. Step 5: Solve for x
    x = 669,191,407,527.18/985,672.17
  6. Step 6: Final answer
    x = 678,918.84

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Double scale
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1.5x scale

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.