Home / 989,563.38-1,365,600.10-536,854.38

Finding the Fourth Proportional to 989,563.38, 1,365,600.10 and 536,854.38

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Solution

The fourth proportional to 989,563.38, 1,365,600.10 and 536,854.38 is: 740,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,563.38 : 1,365,600.10 = 536,854.38 : x
  2. Step 2: Convert to fraction form
    989,563.38/1,365,600.10 = 536,854.38/x
  3. Step 3: Cross multiply
    989,563.38x = 1,365,600.10 × 536,854.38
  4. Step 4: Simplify right side
    989,563.38x = 733,128,395,013.44
  5. Step 5: Solve for x
    x = 733,128,395,013.44/989,563.38
  6. Step 6: Final answer
    x = 740,860.47

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1.5x scale

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.