Home / 834,487.29-1,151,739.90-490,323.15

Finding the Fourth Proportional to 834,487.29, 1,151,739.90 and 490,323.15

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Solution

The fourth proportional to 834,487.29, 1,151,739.90 and 490,323.15 is: 676,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,487.29 : 1,151,739.90 = 490,323.15 : x
  2. Step 2: Convert to fraction form
    834,487.29/1,151,739.90 = 490,323.15/x
  3. Step 3: Cross multiply
    834,487.29x = 1,151,739.90 × 490,323.15
  4. Step 4: Simplify right side
    834,487.29x = 564,724,735,748.69
  5. Step 5: Solve for x
    x = 564,724,735,748.69/834,487.29
  6. Step 6: Final answer
    x = 676,732.58

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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.