Home / 890,308.86-1,228,627.30-482,410.38

Finding the Fourth Proportional to 890,308.86, 1,228,627.30 and 482,410.38

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Solution

The fourth proportional to 890,308.86, 1,228,627.30 and 482,410.38 is: 665,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,308.86 : 1,228,627.30 = 482,410.38 : x
  2. Step 2: Convert to fraction form
    890,308.86/1,228,627.30 = 482,410.38/x
  3. Step 3: Cross multiply
    890,308.86x = 1,228,627.30 × 482,410.38
  4. Step 4: Simplify right side
    890,308.86x = 592,702,556,528.24
  5. Step 5: Solve for x
    x = 592,702,556,528.24/890,308.86
  6. Step 6: Final answer
    x = 665,726.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.