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Finding the Fourth Proportional to 898,339.80, 1,347,509.70 and 833,385.90

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Solution

The fourth proportional to 898,339.80, 1,347,509.70 and 833,385.90 is: 1,250,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,339.80 : 1,347,509.70 = 833,385.90 : x
  2. Step 2: Convert to fraction form
    898,339.80/1,347,509.70 = 833,385.90/x
  3. Step 3: Cross multiply
    898,339.80x = 1,347,509.70 × 833,385.90
  4. Step 4: Simplify right side
    898,339.80x = 1,122,995,584,093.23
  5. Step 5: Solve for x
    x = 1,122,995,584,093.23/898,339.80
  6. Step 6: Final answer
    x = 1,250,078.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.