Home / 791,397.35-1,092,148.52-485,642.60

Finding the Fourth Proportional to 791,397.35, 1,092,148.52 and 485,642.60

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Solution

The fourth proportional to 791,397.35, 1,092,148.52 and 485,642.60 is: 670,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,397.35 : 1,092,148.52 = 485,642.60 : x
  2. Step 2: Convert to fraction form
    791,397.35/1,092,148.52 = 485,642.60/x
  3. Step 3: Cross multiply
    791,397.35x = 1,092,148.52 × 485,642.60
  4. Step 4: Simplify right side
    791,397.35x = 530,393,838,950.00
  5. Step 5: Solve for x
    x = 530,393,838,950.00/791,397.35
  6. Step 6: Final answer
    x = 670,199.16

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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.