Home / 945,950.40-1,418,925.60-281,102.40

Finding the Fourth Proportional to 945,950.40, 1,418,925.60 and 281,102.40

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Solution

The fourth proportional to 945,950.40, 1,418,925.60 and 281,102.40 is: 421,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,950.40 : 1,418,925.60 = 281,102.40 : x
  2. Step 2: Convert to fraction form
    945,950.40/1,418,925.60 = 281,102.40/x
  3. Step 3: Cross multiply
    945,950.40x = 1,418,925.60 × 281,102.40
  4. Step 4: Simplify right side
    945,950.40x = 398,863,391,581.44
  5. Step 5: Solve for x
    x = 398,863,391,581.44/945,950.40
  6. Step 6: Final answer
    x = 421,653.60

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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.