Home / 494,772.30-742,158.45-323,530.20

Finding the Fourth Proportional to 494,772.30, 742,158.45 and 323,530.20

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Solution

The fourth proportional to 494,772.30, 742,158.45 and 323,530.20 is: 485,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,772.30 : 742,158.45 = 323,530.20 : x
  2. Step 2: Convert to fraction form
    494,772.30/742,158.45 = 323,530.20/x
  3. Step 3: Cross multiply
    494,772.30x = 742,158.45 × 323,530.20
  4. Step 4: Simplify right side
    494,772.30x = 240,110,671,760.19
  5. Step 5: Solve for x
    x = 240,110,671,760.19/494,772.30
  6. Step 6: Final answer
    x = 485,295.30

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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.