Home / 744,579.74-1,117,184.60-407,226.55

Finding the Fourth Proportional to 744,579.74, 1,117,184.60 and 407,226.55

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Solution

The fourth proportional to 744,579.74, 1,117,184.60 and 407,226.55 is: 611,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,579.74 : 1,117,184.60 = 407,226.55 : x
  2. Step 2: Convert to fraction form
    744,579.74/1,117,184.60 = 407,226.55/x
  3. Step 3: Cross multiply
    744,579.74x = 1,117,184.60 × 407,226.55
  4. Step 4: Simplify right side
    744,579.74x = 454,947,230,371.13
  5. Step 5: Solve for x
    x = 454,947,230,371.13/744,579.74
  6. Step 6: Final answer
    x = 611,012.10

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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.