Home / 744,995.20-1,117,513.32-272,032.96

Finding the Fourth Proportional to 744,995.20, 1,117,513.32 and 272,032.96

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Solution

The fourth proportional to 744,995.20, 1,117,513.32 and 272,032.96 is: 408,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,995.20 : 1,117,513.32 = 272,032.96 : x
  2. Step 2: Convert to fraction form
    744,995.20/1,117,513.32 = 272,032.96/x
  3. Step 3: Cross multiply
    744,995.20x = 1,117,513.32 × 272,032.96
  4. Step 4: Simplify right side
    744,995.20x = 304,000,456,279.03
  5. Step 5: Solve for x
    x = 304,000,456,279.03/744,995.20
  6. Step 6: Final answer
    x = 408,056.93

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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.