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Finding the Fourth Proportional to 711,605.50, 982,613.94 and 508,280.11

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Solution

The fourth proportional to 711,605.50, 982,613.94 and 508,280.11 is: 701,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,605.50 : 982,613.94 = 508,280.11 : x
  2. Step 2: Convert to fraction form
    711,605.50/982,613.94 = 508,280.11/x
  3. Step 3: Cross multiply
    711,605.50x = 982,613.94 × 508,280.11
  4. Step 4: Simplify right side
    711,605.50x = 499,443,121,510.73
  5. Step 5: Solve for x
    x = 499,443,121,510.73/711,605.50
  6. Step 6: Final answer
    x = 701,853.94

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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.