Home / 758,369.04-1,137,788.40-455,101.92

Finding the Fourth Proportional to 758,369.04, 1,137,788.40 and 455,101.92

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Solution

The fourth proportional to 758,369.04, 1,137,788.40 and 455,101.92 is: 682,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,369.04 : 1,137,788.40 = 455,101.92 : x
  2. Step 2: Convert to fraction form
    758,369.04/1,137,788.40 = 455,101.92/x
  3. Step 3: Cross multiply
    758,369.04x = 1,137,788.40 × 455,101.92
  4. Step 4: Simplify right side
    758,369.04x = 517,809,685,393.73
  5. Step 5: Solve for x
    x = 517,809,685,393.73/758,369.04
  6. Step 6: Final answer
    x = 682,793.81

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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.