Home / 909,672.30-1,364,508.45-269,999.10

Finding the Fourth Proportional to 909,672.30, 1,364,508.45 and 269,999.10

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Solution

The fourth proportional to 909,672.30, 1,364,508.45 and 269,999.10 is: 404,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,672.30 : 1,364,508.45 = 269,999.10 : x
  2. Step 2: Convert to fraction form
    909,672.30/1,364,508.45 = 269,999.10/x
  3. Step 3: Cross multiply
    909,672.30x = 1,364,508.45 × 269,999.10
  4. Step 4: Simplify right side
    909,672.30x = 368,416,053,442.40
  5. Step 5: Solve for x
    x = 368,416,053,442.40/909,672.30
  6. Step 6: Final answer
    x = 404,998.65

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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.