Home / 744,891.32-1,116,856.14-318,705.20

Finding the Fourth Proportional to 744,891.32, 1,116,856.14 and 318,705.20

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Solution

The fourth proportional to 744,891.32, 1,116,856.14 and 318,705.20 is: 477,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,891.32 : 1,116,856.14 = 318,705.20 : x
  2. Step 2: Convert to fraction form
    744,891.32/1,116,856.14 = 318,705.20/x
  3. Step 3: Cross multiply
    744,891.32x = 1,116,856.14 × 318,705.20
  4. Step 4: Simplify right side
    744,891.32x = 355,947,859,469.93
  5. Step 5: Solve for x
    x = 355,947,859,469.93/744,891.32
  6. Step 6: Final answer
    x = 477,852.07

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Double scale
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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.