Home / 912,704.60-1,369,056.90-281,617.40

Finding the Fourth Proportional to 912,704.60, 1,369,056.90 and 281,617.40

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Solution

The fourth proportional to 912,704.60, 1,369,056.90 and 281,617.40 is: 422,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,704.60 : 1,369,056.90 = 281,617.40 : x
  2. Step 2: Convert to fraction form
    912,704.60/1,369,056.90 = 281,617.40/x
  3. Step 3: Cross multiply
    912,704.60x = 1,369,056.90 × 281,617.40
  4. Step 4: Simplify right side
    912,704.60x = 385,550,244,630.06
  5. Step 5: Solve for x
    x = 385,550,244,630.06/912,704.60
  6. Step 6: Final answer
    x = 422,426.10

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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.