Home / 989,641.44-1,365,705.28-536,932.48

Finding the Fourth Proportional to 989,641.44, 1,365,705.28 and 536,932.48

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Solution

The fourth proportional to 989,641.44, 1,365,705.28 and 536,932.48 is: 740,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,641.44 : 1,365,705.28 = 536,932.48 : x
  2. Step 2: Convert to fraction form
    989,641.44/1,365,705.28 = 536,932.48/x
  3. Step 3: Cross multiply
    989,641.44x = 1,365,705.28 × 536,932.48
  4. Step 4: Simplify right side
    989,641.44x = 733,291,522,939.49
  5. Step 5: Solve for x
    x = 733,291,522,939.49/989,641.44
  6. Step 6: Final answer
    x = 740,966.87

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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.