Home / 898,474.59-1,239,885.41-490,575.15

Finding the Fourth Proportional to 898,474.59, 1,239,885.41 and 490,575.15

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Solution

The fourth proportional to 898,474.59, 1,239,885.41 and 490,575.15 is: 676,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,474.59 : 1,239,885.41 = 490,575.15 : x
  2. Step 2: Convert to fraction form
    898,474.59/1,239,885.41 = 490,575.15/x
  3. Step 3: Cross multiply
    898,474.59x = 1,239,885.41 × 490,575.15
  4. Step 4: Simplify right side
    898,474.59x = 608,256,968,540.69
  5. Step 5: Solve for x
    x = 608,256,968,540.69/898,474.59
  6. Step 6: Final answer
    x = 676,988.50

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Double scale
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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.