Home / 885,386.16-1,327,290.30-324,289.44

Finding the Fourth Proportional to 885,386.16, 1,327,290.30 and 324,289.44

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Solution

The fourth proportional to 885,386.16, 1,327,290.30 and 324,289.44 is: 486,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,386.16 : 1,327,290.30 = 324,289.44 : x
  2. Step 2: Convert to fraction form
    885,386.16/1,327,290.30 = 324,289.44/x
  3. Step 3: Cross multiply
    885,386.16x = 1,327,290.30 × 324,289.44
  4. Step 4: Simplify right side
    885,386.16x = 430,426,228,104.43
  5. Step 5: Solve for x
    x = 430,426,228,104.43/885,386.16
  6. Step 6: Final answer
    x = 486,145.20

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Double scale
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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.