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Finding the Fourth Proportional to 898,007.80, 1,347,011.70 and 800,576.95

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Solution

The fourth proportional to 898,007.80, 1,347,011.70 and 800,576.95 is: 1,200,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,007.80 : 1,347,011.70 = 800,576.95 : x
  2. Step 2: Convert to fraction form
    898,007.80/1,347,011.70 = 800,576.95/x
  3. Step 3: Cross multiply
    898,007.80x = 1,347,011.70 × 800,576.95
  4. Step 4: Simplify right side
    898,007.80x = 1,078,386,518,400.32
  5. Step 5: Solve for x
    x = 1,078,386,518,400.32/898,007.80
  6. Step 6: Final answer
    x = 1,200,865.43

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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.