Home / 734,780.60-1,100,810.10-418,297.40

Finding the Fourth Proportional to 734,780.60, 1,100,810.10 and 418,297.40

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Solution

The fourth proportional to 734,780.60, 1,100,810.10 and 418,297.40 is: 626,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,780.60 : 1,100,810.10 = 418,297.40 : x
  2. Step 2: Convert to fraction form
    734,780.60/1,100,810.10 = 418,297.40/x
  3. Step 3: Cross multiply
    734,780.60x = 1,100,810.10 × 418,297.40
  4. Step 4: Simplify right side
    734,780.60x = 460,466,002,723.74
  5. Step 5: Solve for x
    x = 460,466,002,723.74/734,780.60
  6. Step 6: Final answer
    x = 626,671.42

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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.