Home / 687,868.70-1,032,020.98-536,584.47

Finding the Fourth Proportional to 687,868.70, 1,032,020.98 and 536,584.47

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Solution

The fourth proportional to 687,868.70, 1,032,020.98 and 536,584.47 is: 805,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,868.70 : 1,032,020.98 = 536,584.47 : x
  2. Step 2: Convert to fraction form
    687,868.70/1,032,020.98 = 536,584.47/x
  3. Step 3: Cross multiply
    687,868.70x = 1,032,020.98 × 536,584.47
  4. Step 4: Simplify right side
    687,868.70x = 553,766,428,388.93
  5. Step 5: Solve for x
    x = 553,766,428,388.93/687,868.70
  6. Step 6: Final answer
    x = 805,046.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.