Home / 989,859.84-1,366,010.16-537,150.72

Finding the Fourth Proportional to 989,859.84, 1,366,010.16 and 537,150.72

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Solution

The fourth proportional to 989,859.84, 1,366,010.16 and 537,150.72 is: 741,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,859.84 : 1,366,010.16 = 537,150.72 : x
  2. Step 2: Convert to fraction form
    989,859.84/1,366,010.16 = 537,150.72/x
  3. Step 3: Cross multiply
    989,859.84x = 1,366,010.16 × 537,150.72
  4. Step 4: Simplify right side
    989,859.84x = 733,753,340,971.32
  5. Step 5: Solve for x
    x = 733,753,340,971.32/989,859.84
  6. Step 6: Final answer
    x = 741,269.94

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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.