Home / 791,755.65-1,092,062.88-485,847.81

Finding the Fourth Proportional to 791,755.65, 1,092,062.88 and 485,847.81

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Solution

The fourth proportional to 791,755.65, 1,092,062.88 and 485,847.81 is: 670,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,755.65 : 1,092,062.88 = 485,847.81 : x
  2. Step 2: Convert to fraction form
    791,755.65/1,092,062.88 = 485,847.81/x
  3. Step 3: Cross multiply
    791,755.65x = 1,092,062.88 × 485,847.81
  4. Step 4: Simplify right side
    791,755.65x = 530,576,358,630.29
  5. Step 5: Solve for x
    x = 530,576,358,630.29/791,755.65
  6. Step 6: Final answer
    x = 670,126.39

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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.