Home / 881,748.26-1,216,734.78-489,291.10

Finding the Fourth Proportional to 881,748.26, 1,216,734.78 and 489,291.10

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Solution

The fourth proportional to 881,748.26, 1,216,734.78 and 489,291.10 is: 675,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,748.26 : 1,216,734.78 = 489,291.10 : x
  2. Step 2: Convert to fraction form
    881,748.26/1,216,734.78 = 489,291.10/x
  3. Step 3: Cross multiply
    881,748.26x = 1,216,734.78 × 489,291.10
  4. Step 4: Simplify right side
    881,748.26x = 595,337,498,914.46
  5. Step 5: Solve for x
    x = 595,337,498,914.46/881,748.26
  6. Step 6: Final answer
    x = 675,178.54

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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.