Home / 563,217.39-845,084.41-307,129.28

Finding the Fourth Proportional to 563,217.39, 845,084.41 and 307,129.28

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Solution

The fourth proportional to 563,217.39, 845,084.41 and 307,129.28 is: 460,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,217.39 : 845,084.41 = 307,129.28 : x
  2. Step 2: Convert to fraction form
    563,217.39/845,084.41 = 307,129.28/x
  3. Step 3: Cross multiply
    563,217.39x = 845,084.41 × 307,129.28
  4. Step 4: Simplify right side
    563,217.39x = 259,550,161,389.28
  5. Step 5: Solve for x
    x = 259,550,161,389.28/563,217.39
  6. Step 6: Final answer
    x = 460,834.78

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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.