Home / 989,888.72-1,366,046.42-537,179.72

Finding the Fourth Proportional to 989,888.72, 1,366,046.42 and 537,179.72

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Solution

The fourth proportional to 989,888.72, 1,366,046.42 and 537,179.72 is: 741,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,888.72 : 1,366,046.42 = 537,179.72 : x
  2. Step 2: Convert to fraction form
    989,888.72/1,366,046.42 = 537,179.72/x
  3. Step 3: Cross multiply
    989,888.72x = 1,366,046.42 × 537,179.72
  4. Step 4: Simplify right side
    989,888.72x = 733,812,423,886.47
  5. Step 5: Solve for x
    x = 733,812,423,886.47/989,888.72
  6. Step 6: Final answer
    x = 741,308.00

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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.