Home / 838,137.32-1,156,629.50-456,166.84

Finding the Fourth Proportional to 838,137.32, 1,156,629.50 and 456,166.84

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Solution

The fourth proportional to 838,137.32, 1,156,629.50 and 456,166.84 is: 629,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,137.32 : 1,156,629.50 = 456,166.84 : x
  2. Step 2: Convert to fraction form
    838,137.32/1,156,629.50 = 456,166.84/x
  3. Step 3: Cross multiply
    838,137.32x = 1,156,629.50 × 456,166.84
  4. Step 4: Simplify right side
    838,137.32x = 527,616,024,065.78
  5. Step 5: Solve for x
    x = 527,616,024,065.78/838,137.32
  6. Step 6: Final answer
    x = 629,510.24

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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.