Home / 864,280.74-1,192,564.76-482,306.60

Finding the Fourth Proportional to 864,280.74, 1,192,564.76 and 482,306.60

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Solution

The fourth proportional to 864,280.74, 1,192,564.76 and 482,306.60 is: 665,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,280.74 : 1,192,564.76 = 482,306.60 : x
  2. Step 2: Convert to fraction form
    864,280.74/1,192,564.76 = 482,306.60/x
  3. Step 3: Cross multiply
    864,280.74x = 1,192,564.76 × 482,306.60
  4. Step 4: Simplify right side
    864,280.74x = 575,181,854,675.42
  5. Step 5: Solve for x
    x = 575,181,854,675.42/864,280.74
  6. Step 6: Final answer
    x = 665,503.50

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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.