Home / 945,601.20-1,418,596.20-314,967.60

Finding the Fourth Proportional to 945,601.20, 1,418,596.20 and 314,967.60

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Solution

The fourth proportional to 945,601.20, 1,418,596.20 and 314,967.60 is: 472,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,601.20 : 1,418,596.20 = 314,967.60 : x
  2. Step 2: Convert to fraction form
    945,601.20/1,418,596.20 = 314,967.60/x
  3. Step 3: Cross multiply
    945,601.20x = 1,418,596.20 × 314,967.60
  4. Step 4: Simplify right side
    945,601.20x = 446,811,840,483.12
  5. Step 5: Solve for x
    x = 446,811,840,483.12/945,601.20
  6. Step 6: Final answer
    x = 472,516.15

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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.