Home / 756,376.10-1,134,564.15-476,440.10

Finding the Fourth Proportional to 756,376.10, 1,134,564.15 and 476,440.10

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Solution

The fourth proportional to 756,376.10, 1,134,564.15 and 476,440.10 is: 714,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,376.10 : 1,134,564.15 = 476,440.10 : x
  2. Step 2: Convert to fraction form
    756,376.10/1,134,564.15 = 476,440.10/x
  3. Step 3: Cross multiply
    756,376.10x = 1,134,564.15 × 476,440.10
  4. Step 4: Simplify right side
    756,376.10x = 540,551,857,082.42
  5. Step 5: Solve for x
    x = 540,551,857,082.42/756,376.10
  6. Step 6: Final answer
    x = 714,660.15

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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.