Home / 989,859.84-1,366,010.40-537,150.96

Finding the Fourth Proportional to 989,859.84, 1,366,010.40 and 537,150.96

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Solution

The fourth proportional to 989,859.84, 1,366,010.40 and 537,150.96 is: 741,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,859.84 : 1,366,010.40 = 537,150.96 : x
  2. Step 2: Convert to fraction form
    989,859.84/1,366,010.40 = 537,150.96/x
  3. Step 3: Cross multiply
    989,859.84x = 1,366,010.40 × 537,150.96
  4. Step 4: Simplify right side
    989,859.84x = 733,753,797,729.98
  5. Step 5: Solve for x
    x = 733,753,797,729.98/989,859.84
  6. Step 6: Final answer
    x = 741,270.40

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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.