Home / 527,227.61-727,570.48-285,504.65

Finding the Fourth Proportional to 527,227.61, 727,570.48 and 285,504.65

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Solution

The fourth proportional to 527,227.61, 727,570.48 and 285,504.65 is: 393,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,227.61 : 727,570.48 = 285,504.65 : x
  2. Step 2: Convert to fraction form
    527,227.61/727,570.48 = 285,504.65/x
  3. Step 3: Cross multiply
    527,227.61x = 727,570.48 × 285,504.65
  4. Step 4: Simplify right side
    527,227.61x = 207,724,753,351.84
  5. Step 5: Solve for x
    x = 207,724,753,351.84/527,227.61
  6. Step 6: Final answer
    x = 393,994.45

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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.