Home / 527,020.46-727,288.49-285,303.04

Finding the Fourth Proportional to 527,020.46, 727,288.49 and 285,303.04

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Solution

The fourth proportional to 527,020.46, 727,288.49 and 285,303.04 is: 393,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,020.46 : 727,288.49 = 285,303.04 : x
  2. Step 2: Convert to fraction form
    527,020.46/727,288.49 = 285,303.04/x
  3. Step 3: Cross multiply
    527,020.46x = 727,288.49 × 285,303.04
  4. Step 4: Simplify right side
    527,020.46x = 207,497,612,091.05
  5. Step 5: Solve for x
    x = 207,497,612,091.05/527,020.46
  6. Step 6: Final answer
    x = 393,718.32

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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.