Home / 987,211.34-1,480,817.02-239,257.34

Finding the Fourth Proportional to 987,211.34, 1,480,817.02 and 239,257.34

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Solution

The fourth proportional to 987,211.34, 1,480,817.02 and 239,257.34 is: 358,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,211.34 : 1,480,817.02 = 239,257.34 : x
  2. Step 2: Convert to fraction form
    987,211.34/1,480,817.02 = 239,257.34/x
  3. Step 3: Cross multiply
    987,211.34x = 1,480,817.02 × 239,257.34
  4. Step 4: Simplify right side
    987,211.34x = 354,296,341,231.93
  5. Step 5: Solve for x
    x = 354,296,341,231.93/987,211.34
  6. Step 6: Final answer
    x = 358,886.01

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Double scale
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Similar ratio
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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.