Home / 711,822.03-982,282.89-389,545.71

Finding the Fourth Proportional to 711,822.03, 982,282.89 and 389,545.71

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Solution

The fourth proportional to 711,822.03, 982,282.89 and 389,545.71 is: 537,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,822.03 : 982,282.89 = 389,545.71 : x
  2. Step 2: Convert to fraction form
    711,822.03/982,282.89 = 389,545.71/x
  3. Step 3: Cross multiply
    711,822.03x = 982,282.89 × 389,545.71
  4. Step 4: Simplify right side
    711,822.03x = 382,644,085,805.90
  5. Step 5: Solve for x
    x = 382,644,085,805.90/711,822.03
  6. Step 6: Final answer
    x = 537,555.84

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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.