Home / 783,578.10-1,175,539.95-251,123.70

Finding the Fourth Proportional to 783,578.10, 1,175,539.95 and 251,123.70

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Solution

The fourth proportional to 783,578.10, 1,175,539.95 and 251,123.70 is: 376,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,578.10 : 1,175,539.95 = 251,123.70 : x
  2. Step 2: Convert to fraction form
    783,578.10/1,175,539.95 = 251,123.70/x
  3. Step 3: Cross multiply
    783,578.10x = 1,175,539.95 × 251,123.70
  4. Step 4: Simplify right side
    783,578.10x = 295,205,941,741.82
  5. Step 5: Solve for x
    x = 295,205,941,741.82/783,578.10
  6. Step 6: Final answer
    x = 376,740.93

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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.