Home / 838,329.78-1,156,900.50-456,356.46

Finding the Fourth Proportional to 838,329.78, 1,156,900.50 and 456,356.46

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Solution

The fourth proportional to 838,329.78, 1,156,900.50 and 456,356.46 is: 629,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,329.78 : 1,156,900.50 = 456,356.46 : x
  2. Step 2: Convert to fraction form
    838,329.78/1,156,900.50 = 456,356.46/x
  3. Step 3: Cross multiply
    838,329.78x = 1,156,900.50 × 456,356.46
  4. Step 4: Simplify right side
    838,329.78x = 527,959,016,752.23
  5. Step 5: Solve for x
    x = 527,959,016,752.23/838,329.78
  6. Step 6: Final answer
    x = 629,774.86

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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.