Home / 989,695.80-1,365,796.08-536,986.80

Finding the Fourth Proportional to 989,695.80, 1,365,796.08 and 536,986.80

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Solution

The fourth proportional to 989,695.80, 1,365,796.08 and 536,986.80 is: 741,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,695.80 : 1,365,796.08 = 536,986.80 : x
  2. Step 2: Convert to fraction form
    989,695.80/1,365,796.08 = 536,986.80/x
  3. Step 3: Cross multiply
    989,695.80x = 1,365,796.08 × 536,986.80
  4. Step 4: Simplify right side
    989,695.80x = 733,414,466,451.74
  5. Step 5: Solve for x
    x = 733,414,466,451.74/989,695.80
  6. Step 6: Final answer
    x = 741,050.40

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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.