Home / 744,475.20-1,116,712.80-212,013.60

Finding the Fourth Proportional to 744,475.20, 1,116,712.80 and 212,013.60

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Solution

The fourth proportional to 744,475.20, 1,116,712.80 and 212,013.60 is: 318,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,475.20 : 1,116,712.80 = 212,013.60 : x
  2. Step 2: Convert to fraction form
    744,475.20/1,116,712.80 = 212,013.60/x
  3. Step 3: Cross multiply
    744,475.20x = 1,116,712.80 × 212,013.60
  4. Step 4: Simplify right side
    744,475.20x = 236,758,300,894.08
  5. Step 5: Solve for x
    x = 236,758,300,894.08/744,475.20
  6. Step 6: Final answer
    x = 318,020.40

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Similar ratio
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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.