Home / 608,913.40-913,370.10-293,402.20

Finding the Fourth Proportional to 608,913.40, 913,370.10 and 293,402.20

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Solution

The fourth proportional to 608,913.40, 913,370.10 and 293,402.20 is: 440,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,913.40 : 913,370.10 = 293,402.20 : x
  2. Step 2: Convert to fraction form
    608,913.40/913,370.10 = 293,402.20/x
  3. Step 3: Cross multiply
    608,913.40x = 913,370.10 × 293,402.20
  4. Step 4: Simplify right side
    608,913.40x = 267,984,796,754.22
  5. Step 5: Solve for x
    x = 267,984,796,754.22/608,913.40
  6. Step 6: Final answer
    x = 440,103.30

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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.