Home / 960,023.10-1,440,034.65-427,799.10

Finding the Fourth Proportional to 960,023.10, 1,440,034.65 and 427,799.10

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Solution

The fourth proportional to 960,023.10, 1,440,034.65 and 427,799.10 is: 641,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,023.10 : 1,440,034.65 = 427,799.10 : x
  2. Step 2: Convert to fraction form
    960,023.10/1,440,034.65 = 427,799.10/x
  3. Step 3: Cross multiply
    960,023.10x = 1,440,034.65 × 427,799.10
  4. Step 4: Simplify right side
    960,023.10x = 616,045,527,238.82
  5. Step 5: Solve for x
    x = 616,045,527,238.82/960,023.10
  6. Step 6: Final answer
    x = 641,698.65

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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.