Home / 890,282.26-1,228,590.76-482,388.54

Finding the Fourth Proportional to 890,282.26, 1,228,590.76 and 482,388.54

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Solution

The fourth proportional to 890,282.26, 1,228,590.76 and 482,388.54 is: 665,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,282.26 : 1,228,590.76 = 482,388.54 : x
  2. Step 2: Convert to fraction form
    890,282.26/1,228,590.76 = 482,388.54/x
  3. Step 3: Cross multiply
    890,282.26x = 1,228,590.76 × 482,388.54
  4. Step 4: Simplify right side
    890,282.26x = 592,658,102,973.89
  5. Step 5: Solve for x
    x = 592,658,102,973.89/890,282.26
  6. Step 6: Final answer
    x = 665,696.86

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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.