Home / 831,982.32-1,148,131.26-450,008.10

Finding the Fourth Proportional to 831,982.32, 1,148,131.26 and 450,008.10

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Solution

The fourth proportional to 831,982.32, 1,148,131.26 and 450,008.10 is: 621,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,982.32 : 1,148,131.26 = 450,008.10 : x
  2. Step 2: Convert to fraction form
    831,982.32/1,148,131.26 = 450,008.10/x
  3. Step 3: Cross multiply
    831,982.32x = 1,148,131.26 × 450,008.10
  4. Step 4: Simplify right side
    831,982.32x = 516,668,366,863.21
  5. Step 5: Solve for x
    x = 516,668,366,863.21/831,982.32
  6. Step 6: Final answer
    x = 621,008.83

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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.