Home / 758,239.94-1,137,043.70-308,655.61

Finding the Fourth Proportional to 758,239.94, 1,137,043.70 and 308,655.61

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Solution

The fourth proportional to 758,239.94, 1,137,043.70 and 308,655.61 is: 462,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,239.94 : 1,137,043.70 = 308,655.61 : x
  2. Step 2: Convert to fraction form
    758,239.94/1,137,043.70 = 308,655.61/x
  3. Step 3: Cross multiply
    758,239.94x = 1,137,043.70 × 308,655.61
  4. Step 4: Simplify right side
    758,239.94x = 350,954,920,855.69
  5. Step 5: Solve for x
    x = 350,954,920,855.69/758,239.94
  6. Step 6: Final answer
    x = 462,854.70

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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.