Home / 989,873.59-1,366,029.14-537,164.47

Finding the Fourth Proportional to 989,873.59, 1,366,029.14 and 537,164.47

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Solution

The fourth proportional to 989,873.59, 1,366,029.14 and 537,164.47 is: 741,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,873.59 : 1,366,029.14 = 537,164.47 : x
  2. Step 2: Convert to fraction form
    989,873.59/1,366,029.14 = 537,164.47/x
  3. Step 3: Cross multiply
    989,873.59x = 1,366,029.14 × 537,164.47
  4. Step 4: Simplify right side
    989,873.59x = 733,782,316,306.83
  5. Step 5: Solve for x
    x = 733,782,316,306.83/989,873.59
  6. Step 6: Final answer
    x = 741,288.91

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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.