Home / 945,520.56-1,418,293.20-314,434.32

Finding the Fourth Proportional to 945,520.56, 1,418,293.20 and 314,434.32

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Solution

The fourth proportional to 945,520.56, 1,418,293.20 and 314,434.32 is: 471,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,520.56 : 1,418,293.20 = 314,434.32 : x
  2. Step 2: Convert to fraction form
    945,520.56/1,418,293.20 = 314,434.32/x
  3. Step 3: Cross multiply
    945,520.56x = 1,418,293.20 × 314,434.32
  4. Step 4: Simplify right side
    945,520.56x = 445,960,057,902.62
  5. Step 5: Solve for x
    x = 445,960,057,902.62/945,520.56
  6. Step 6: Final answer
    x = 471,655.59

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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.