Home / 893,685.90-1,340,107.65-324,665.70

Finding the Fourth Proportional to 893,685.90, 1,340,107.65 and 324,665.70

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Solution

The fourth proportional to 893,685.90, 1,340,107.65 and 324,665.70 is: 486,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,685.90 : 1,340,107.65 = 324,665.70 : x
  2. Step 2: Convert to fraction form
    893,685.90/1,340,107.65 = 324,665.70/x
  3. Step 3: Cross multiply
    893,685.90x = 1,340,107.65 × 324,665.70
  4. Step 4: Simplify right side
    893,685.90x = 435,086,988,262.61
  5. Step 5: Solve for x
    x = 435,086,988,262.61/893,685.90
  6. Step 6: Final answer
    x = 486,845.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.