Home / 890,103.15-1,228,337.26-482,212.93

Finding the Fourth Proportional to 890,103.15, 1,228,337.26 and 482,212.93

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Solution

The fourth proportional to 890,103.15, 1,228,337.26 and 482,212.93 is: 665,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,103.15 : 1,228,337.26 = 482,212.93 : x
  2. Step 2: Convert to fraction form
    890,103.15/1,228,337.26 = 482,212.93/x
  3. Step 3: Cross multiply
    890,103.15x = 1,228,337.26 × 482,212.93
  4. Step 4: Simplify right side
    890,103.15x = 592,320,109,172.77
  5. Step 5: Solve for x
    x = 592,320,109,172.77/890,103.15
  6. Step 6: Final answer
    x = 665,451.09

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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.