Home / 838,409.20-1,257,613.80-603,962.80

Finding the Fourth Proportional to 838,409.20, 1,257,613.80 and 603,962.80

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Solution

The fourth proportional to 838,409.20, 1,257,613.80 and 603,962.80 is: 905,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,409.20 : 1,257,613.80 = 603,962.80 : x
  2. Step 2: Convert to fraction form
    838,409.20/1,257,613.80 = 603,962.80/x
  3. Step 3: Cross multiply
    838,409.20x = 1,257,613.80 × 603,962.80
  4. Step 4: Simplify right side
    838,409.20x = 759,551,951,966.64
  5. Step 5: Solve for x
    x = 759,551,951,966.64/838,409.20
  6. Step 6: Final answer
    x = 905,944.20

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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.