Home / 757,897.92-1,045,907.52-418,366.56

Finding the Fourth Proportional to 757,897.92, 1,045,907.52 and 418,366.56

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Solution

The fourth proportional to 757,897.92, 1,045,907.52 and 418,366.56 is: 577,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,897.92 : 1,045,907.52 = 418,366.56 : x
  2. Step 2: Convert to fraction form
    757,897.92/1,045,907.52 = 418,366.56/x
  3. Step 3: Cross multiply
    757,897.92x = 1,045,907.52 × 418,366.56
  4. Step 4: Simplify right side
    757,897.92x = 437,572,731,220.53
  5. Step 5: Solve for x
    x = 437,572,731,220.53/757,897.92
  6. Step 6: Final answer
    x = 577,350.48

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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.