Home / 989,563.88-1,365,600.79-536,854.88

Finding the Fourth Proportional to 989,563.88, 1,365,600.79 and 536,854.88

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Solution

The fourth proportional to 989,563.88, 1,365,600.79 and 536,854.88 is: 740,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,563.88 : 1,365,600.79 = 536,854.88 : x
  2. Step 2: Convert to fraction form
    989,563.88/1,365,600.79 = 536,854.88/x
  3. Step 3: Cross multiply
    989,563.88x = 1,365,600.79 × 536,854.88
  4. Step 4: Simplify right side
    989,563.88x = 733,129,448,243.36
  5. Step 5: Solve for x
    x = 733,129,448,243.36/989,563.88
  6. Step 6: Final answer
    x = 740,861.16

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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.