Home / 870,565.72-1,201,440.21-483,401.14

Finding the Fourth Proportional to 870,565.72, 1,201,440.21 and 483,401.14

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Solution

The fourth proportional to 870,565.72, 1,201,440.21 and 483,401.14 is: 667,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,565.72 : 1,201,440.21 = 483,401.14 : x
  2. Step 2: Convert to fraction form
    870,565.72/1,201,440.21 = 483,401.14/x
  3. Step 3: Cross multiply
    870,565.72x = 1,201,440.21 × 483,401.14
  4. Step 4: Simplify right side
    870,565.72x = 580,777,567,155.84
  5. Step 5: Solve for x
    x = 580,777,567,155.84/870,565.72
  6. Step 6: Final answer
    x = 667,126.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.