Home / 804,742.56-1,207,114.28-299,237.85

Finding the Fourth Proportional to 804,742.56, 1,207,114.28 and 299,237.85

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Solution

The fourth proportional to 804,742.56, 1,207,114.28 and 299,237.85 is: 448,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,742.56 : 1,207,114.28 = 299,237.85 : x
  2. Step 2: Convert to fraction form
    804,742.56/1,207,114.28 = 299,237.85/x
  3. Step 3: Cross multiply
    804,742.56x = 1,207,114.28 × 299,237.85
  4. Step 4: Simplify right side
    804,742.56x = 361,214,280,355.31
  5. Step 5: Solve for x
    x = 361,214,280,355.31/804,742.56
  6. Step 6: Final answer
    x = 448,856.94

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Double scale
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Similar ratio
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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.