Home / 870,736.68-1,201,691.70-483,626.34

Finding the Fourth Proportional to 870,736.68, 1,201,691.70 and 483,626.34

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Solution

The fourth proportional to 870,736.68, 1,201,691.70 and 483,626.34 is: 667,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,736.68 : 1,201,691.70 = 483,626.34 : x
  2. Step 2: Convert to fraction form
    870,736.68/1,201,691.70 = 483,626.34/x
  3. Step 3: Cross multiply
    870,736.68x = 1,201,691.70 × 483,626.34
  4. Step 4: Simplify right side
    870,736.68x = 581,169,758,679.38
  5. Step 5: Solve for x
    x = 581,169,758,679.38/870,736.68
  6. Step 6: Final answer
    x = 667,446.05

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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.