Home / 989,777.80-1,365,909.24-537,068.80

Finding the Fourth Proportional to 989,777.80, 1,365,909.24 and 537,068.80

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Solution

The fourth proportional to 989,777.80, 1,365,909.24 and 537,068.80 is: 741,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,777.80 : 1,365,909.24 = 537,068.80 : x
  2. Step 2: Convert to fraction form
    989,777.80/1,365,909.24 = 537,068.80/x
  3. Step 3: Cross multiply
    989,777.80x = 1,365,909.24 × 537,068.80
  4. Step 4: Simplify right side
    989,777.80x = 733,587,236,435.71
  5. Step 5: Solve for x
    x = 733,587,236,435.71/989,777.80
  6. Step 6: Final answer
    x = 741,163.56

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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.