Home / 946,117.20-1,419,402.60-315,036.72

Finding the Fourth Proportional to 946,117.20, 1,419,402.60 and 315,036.72

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Solution

The fourth proportional to 946,117.20, 1,419,402.60 and 315,036.72 is: 472,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,117.20 : 1,419,402.60 = 315,036.72 : x
  2. Step 2: Convert to fraction form
    946,117.20/1,419,402.60 = 315,036.72/x
  3. Step 3: Cross multiply
    946,117.20x = 1,419,402.60 × 315,036.72
  4. Step 4: Simplify right side
    946,117.20x = 447,163,939,463.47
  5. Step 5: Solve for x
    x = 447,163,939,463.47/946,117.20
  6. Step 6: Final answer
    x = 472,630.60

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Half scale
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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.