Home / 744,182.72-1,114,990.21-407,465.72

Finding the Fourth Proportional to 744,182.72, 1,114,990.21 and 407,465.72

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Solution

The fourth proportional to 744,182.72, 1,114,990.21 and 407,465.72 is: 610,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,182.72 : 1,114,990.21 = 407,465.72 : x
  2. Step 2: Convert to fraction form
    744,182.72/1,114,990.21 = 407,465.72/x
  3. Step 3: Cross multiply
    744,182.72x = 1,114,990.21 × 407,465.72
  4. Step 4: Simplify right side
    744,182.72x = 454,320,288,710.60
  5. Step 5: Solve for x
    x = 454,320,288,710.60/744,182.72
  6. Step 6: Final answer
    x = 610,495.62

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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.