Home / 804,959.30-1,207,438.95-243,920.90

Finding the Fourth Proportional to 804,959.30, 1,207,438.95 and 243,920.90

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Solution

The fourth proportional to 804,959.30, 1,207,438.95 and 243,920.90 is: 365,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,959.30 : 1,207,438.95 = 243,920.90 : x
  2. Step 2: Convert to fraction form
    804,959.30/1,207,438.95 = 243,920.90/x
  3. Step 3: Cross multiply
    804,959.30x = 1,207,438.95 × 243,920.90
  4. Step 4: Simplify right side
    804,959.30x = 294,519,595,379.06
  5. Step 5: Solve for x
    x = 294,519,595,379.06/804,959.30
  6. Step 6: Final answer
    x = 365,881.35

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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.