Home / 758,357.04-1,137,770.40-455,089.92

Finding the Fourth Proportional to 758,357.04, 1,137,770.40 and 455,089.92

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Solution

The fourth proportional to 758,357.04, 1,137,770.40 and 455,089.92 is: 682,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,357.04 : 1,137,770.40 = 455,089.92 : x
  2. Step 2: Convert to fraction form
    758,357.04/1,137,770.40 = 455,089.92/x
  3. Step 3: Cross multiply
    758,357.04x = 1,137,770.40 × 455,089.92
  4. Step 4: Simplify right side
    758,357.04x = 517,787,840,314.37
  5. Step 5: Solve for x
    x = 517,787,840,314.37/758,357.04
  6. Step 6: Final answer
    x = 682,775.81

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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.