Home / 527,018.04-727,284.74-285,300.43

Finding the Fourth Proportional to 527,018.04, 727,284.74 and 285,300.43

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Solution

The fourth proportional to 527,018.04, 727,284.74 and 285,300.43 is: 393,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,018.04 : 727,284.74 = 285,300.43 : x
  2. Step 2: Convert to fraction form
    527,018.04/727,284.74 = 285,300.43/x
  3. Step 3: Cross multiply
    527,018.04x = 727,284.74 × 285,300.43
  4. Step 4: Simplify right side
    527,018.04x = 207,494,651,505.52
  5. Step 5: Solve for x
    x = 207,494,651,505.52/527,018.04
  6. Step 6: Final answer
    x = 393,714.51

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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.