Home / 744,387.96-1,117,041.21-344,954.28

Finding the Fourth Proportional to 744,387.96, 1,117,041.21 and 344,954.28

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Solution

The fourth proportional to 744,387.96, 1,117,041.21 and 344,954.28 is: 517,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,387.96 : 1,117,041.21 = 344,954.28 : x
  2. Step 2: Convert to fraction form
    744,387.96/1,117,041.21 = 344,954.28/x
  3. Step 3: Cross multiply
    744,387.96x = 1,117,041.21 × 344,954.28
  4. Step 4: Simplify right side
    744,387.96x = 385,328,146,325.88
  5. Step 5: Solve for x
    x = 385,328,146,325.88/744,387.96
  6. Step 6: Final answer
    x = 517,644.25

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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.