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Finding the Fourth Proportional to 898,409.20, 1,347,613.80 and 886,599.40

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Solution

The fourth proportional to 898,409.20, 1,347,613.80 and 886,599.40 is: 1,329,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,409.20 : 1,347,613.80 = 886,599.40 : x
  2. Step 2: Convert to fraction form
    898,409.20/1,347,613.80 = 886,599.40/x
  3. Step 3: Cross multiply
    898,409.20x = 1,347,613.80 × 886,599.40
  4. Step 4: Simplify right side
    898,409.20x = 1,194,793,586,511.72
  5. Step 5: Solve for x
    x = 1,194,793,586,511.72/898,409.20
  6. Step 6: Final answer
    x = 1,329,899.10

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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.