Home / 650,278.04-897,690.50-489,194.44

Finding the Fourth Proportional to 650,278.04, 897,690.50 and 489,194.44

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Solution

The fourth proportional to 650,278.04, 897,690.50 and 489,194.44 is: 675,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,278.04 : 897,690.50 = 489,194.44 : x
  2. Step 2: Convert to fraction form
    650,278.04/897,690.50 = 489,194.44/x
  3. Step 3: Cross multiply
    650,278.04x = 897,690.50 × 489,194.44
  4. Step 4: Simplify right side
    650,278.04x = 439,145,201,440.82
  5. Step 5: Solve for x
    x = 439,145,201,440.82/650,278.04
  6. Step 6: Final answer
    x = 675,319.13

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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.