Home / 839,213.73-1,259,918.01-498,279.47

Finding the Fourth Proportional to 839,213.73, 1,259,918.01 and 498,279.47

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Solution

The fourth proportional to 839,213.73, 1,259,918.01 and 498,279.47 is: 748,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,213.73 : 1,259,918.01 = 498,279.47 : x
  2. Step 2: Convert to fraction form
    839,213.73/1,259,918.01 = 498,279.47/x
  3. Step 3: Cross multiply
    839,213.73x = 1,259,918.01 × 498,279.47
  4. Step 4: Simplify right side
    839,213.73x = 627,791,271,966.67
  5. Step 5: Solve for x
    x = 627,791,271,966.67/839,213.73
  6. Step 6: Final answer
    x = 748,070.78

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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.