Home / 989,538.88-1,365,566.20-536,829.84

Finding the Fourth Proportional to 989,538.88, 1,365,566.20 and 536,829.84

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Solution

The fourth proportional to 989,538.88, 1,365,566.20 and 536,829.84 is: 740,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,538.88 : 1,365,566.20 = 536,829.84 : x
  2. Step 2: Convert to fraction form
    989,538.88/1,365,566.20 = 536,829.84/x
  3. Step 3: Cross multiply
    989,538.88x = 1,365,566.20 × 536,829.84
  4. Step 4: Simplify right side
    989,538.88x = 733,076,684,655.41
  5. Step 5: Solve for x
    x = 733,076,684,655.41/989,538.88
  6. Step 6: Final answer
    x = 740,826.56

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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.