Home / 804,575.70-1,206,863.55-243,638.10

Finding the Fourth Proportional to 804,575.70, 1,206,863.55 and 243,638.10

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Solution

The fourth proportional to 804,575.70, 1,206,863.55 and 243,638.10 is: 365,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,575.70 : 1,206,863.55 = 243,638.10 : x
  2. Step 2: Convert to fraction form
    804,575.70/1,206,863.55 = 243,638.10/x
  3. Step 3: Cross multiply
    804,575.70x = 1,206,863.55 × 243,638.10
  4. Step 4: Simplify right side
    804,575.70x = 294,037,942,281.26
  5. Step 5: Solve for x
    x = 294,037,942,281.26/804,575.70
  6. Step 6: Final answer
    x = 365,457.15

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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.