Home / 959,707.85-1,439,414.15-320,022.70

Finding the Fourth Proportional to 959,707.85, 1,439,414.15 and 320,022.70

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Solution

The fourth proportional to 959,707.85, 1,439,414.15 and 320,022.70 is: 479,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,707.85 : 1,439,414.15 = 320,022.70 : x
  2. Step 2: Convert to fraction form
    959,707.85/1,439,414.15 = 320,022.70/x
  3. Step 3: Cross multiply
    959,707.85x = 1,439,414.15 × 320,022.70
  4. Step 4: Simplify right side
    959,707.85x = 460,645,197,502.56
  5. Step 5: Solve for x
    x = 460,645,197,502.56/959,707.85
  6. Step 6: Final answer
    x = 479,984.82

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Double scale
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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.