Home / 757,774.80-1,045,737.90-418,243.32

Finding the Fourth Proportional to 757,774.80, 1,045,737.90 and 418,243.32

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Solution

The fourth proportional to 757,774.80, 1,045,737.90 and 418,243.32 is: 577,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,774.80 : 1,045,737.90 = 418,243.32 : x
  2. Step 2: Convert to fraction form
    757,774.80/1,045,737.90 = 418,243.32/x
  3. Step 3: Cross multiply
    757,774.80x = 1,045,737.90 × 418,243.32
  4. Step 4: Simplify right side
    757,774.80x = 437,372,891,145.83
  5. Step 5: Solve for x
    x = 437,372,891,145.83/757,774.80
  6. Step 6: Final answer
    x = 577,180.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.