Home / 903,279.60-1,354,919.40-304,041.60

Finding the Fourth Proportional to 903,279.60, 1,354,919.40 and 304,041.60

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Solution

The fourth proportional to 903,279.60, 1,354,919.40 and 304,041.60 is: 456,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,279.60 : 1,354,919.40 = 304,041.60 : x
  2. Step 2: Convert to fraction form
    903,279.60/1,354,919.40 = 304,041.60/x
  3. Step 3: Cross multiply
    903,279.60x = 1,354,919.40 × 304,041.60
  4. Step 4: Simplify right side
    903,279.60x = 411,951,862,247.04
  5. Step 5: Solve for x
    x = 411,951,862,247.04/903,279.60
  6. Step 6: Final answer
    x = 456,062.40

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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.