Home / 744,169.32-1,116,228.66-323,445.24

Finding the Fourth Proportional to 744,169.32, 1,116,228.66 and 323,445.24

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Solution

The fourth proportional to 744,169.32, 1,116,228.66 and 323,445.24 is: 485,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,169.32 : 1,116,228.66 = 323,445.24 : x
  2. Step 2: Convert to fraction form
    744,169.32/1,116,228.66 = 323,445.24/x
  3. Step 3: Cross multiply
    744,169.32x = 1,116,228.66 × 323,445.24
  4. Step 4: Simplify right side
    744,169.32x = 361,038,846,828.58
  5. Step 5: Solve for x
    x = 361,038,846,828.58/744,169.32
  6. Step 6: Final answer
    x = 485,156.85

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1.5x scale

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.