Home / 914,015.13-1,371,191.31-306,743.55

Finding the Fourth Proportional to 914,015.13, 1,371,191.31 and 306,743.55

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Solution

The fourth proportional to 914,015.13, 1,371,191.31 and 306,743.55 is: 460,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,015.13 : 1,371,191.31 = 306,743.55 : x
  2. Step 2: Convert to fraction form
    914,015.13/1,371,191.31 = 306,743.55/x
  3. Step 3: Cross multiply
    914,015.13x = 1,371,191.31 × 306,743.55
  4. Step 4: Simplify right side
    914,015.13x = 420,604,090,158.55
  5. Step 5: Solve for x
    x = 420,604,090,158.55/914,015.13
  6. Step 6: Final answer
    x = 460,171.91

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Double scale
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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.