Home / 757,854.15-1,136,112.36-308,950.53

Finding the Fourth Proportional to 757,854.15, 1,136,112.36 and 308,950.53

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Solution

The fourth proportional to 757,854.15, 1,136,112.36 and 308,950.53 is: 463,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,854.15 : 1,136,112.36 = 308,950.53 : x
  2. Step 2: Convert to fraction form
    757,854.15/1,136,112.36 = 308,950.53/x
  3. Step 3: Cross multiply
    757,854.15x = 1,136,112.36 × 308,950.53
  4. Step 4: Simplify right side
    757,854.15x = 351,002,515,761.55
  5. Step 5: Solve for x
    x = 351,002,515,761.55/757,854.15
  6. Step 6: Final answer
    x = 463,153.12

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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.