Home / 838,331.78-1,156,903.26-456,358.46

Finding the Fourth Proportional to 838,331.78, 1,156,903.26 and 456,358.46

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Solution

The fourth proportional to 838,331.78, 1,156,903.26 and 456,358.46 is: 629,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,331.78 : 1,156,903.26 = 456,358.46 : x
  2. Step 2: Convert to fraction form
    838,331.78/1,156,903.26 = 456,358.46/x
  3. Step 3: Cross multiply
    838,331.78x = 1,156,903.26 × 456,358.46
  4. Step 4: Simplify right side
    838,331.78x = 527,962,590,102.58
  5. Step 5: Solve for x
    x = 527,962,590,102.58/838,331.78
  6. Step 6: Final answer
    x = 629,777.62

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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.