Home / 890,272.15-1,228,573.82-482,385.03

Finding the Fourth Proportional to 890,272.15, 1,228,573.82 and 482,385.03

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Solution

The fourth proportional to 890,272.15, 1,228,573.82 and 482,385.03 is: 665,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,272.15 : 1,228,573.82 = 482,385.03 : x
  2. Step 2: Convert to fraction form
    890,272.15/1,228,573.82 = 482,385.03/x
  3. Step 3: Cross multiply
    890,272.15x = 1,228,573.82 × 482,385.03
  4. Step 4: Simplify right side
    890,272.15x = 592,645,619,017.92
  5. Step 5: Solve for x
    x = 592,645,619,017.92/890,272.15
  6. Step 6: Final answer
    x = 665,690.39

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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.