Home / 989,719.75-1,365,820.55-537,010.75

Finding the Fourth Proportional to 989,719.75, 1,365,820.55 and 537,010.75

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Solution

The fourth proportional to 989,719.75, 1,365,820.55 and 537,010.75 is: 741,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,719.75 : 1,365,820.55 = 537,010.75 : x
  2. Step 2: Convert to fraction form
    989,719.75/1,365,820.55 = 537,010.75/x
  3. Step 3: Cross multiply
    989,719.75x = 1,365,820.55 × 537,010.75
  4. Step 4: Simplify right side
    989,719.75x = 733,460,315,235.86
  5. Step 5: Solve for x
    x = 733,460,315,235.86/989,719.75
  6. Step 6: Final answer
    x = 741,078.79

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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.