Home / 527,020.34-727,282.04-285,297.62

Finding the Fourth Proportional to 527,020.34, 727,282.04 and 285,297.62

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Solution

The fourth proportional to 527,020.34, 727,282.04 and 285,297.62 is: 393,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,020.34 : 727,282.04 = 285,297.62 : x
  2. Step 2: Convert to fraction form
    527,020.34/727,282.04 = 285,297.62/x
  3. Step 3: Cross multiply
    527,020.34x = 727,282.04 × 285,297.62
  4. Step 4: Simplify right side
    527,020.34x = 207,491,830,017.85
  5. Step 5: Solve for x
    x = 207,491,830,017.85/527,020.34
  6. Step 6: Final answer
    x = 393,707.45

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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.