Home / 775,920.93-1,071,262.85-531,315.02

Finding the Fourth Proportional to 775,920.93, 1,071,262.85 and 531,315.02

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Solution

The fourth proportional to 775,920.93, 1,071,262.85 and 531,315.02 is: 733,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,920.93 : 1,071,262.85 = 531,315.02 : x
  2. Step 2: Convert to fraction form
    775,920.93/1,071,262.85 = 531,315.02/x
  3. Step 3: Cross multiply
    775,920.93x = 1,071,262.85 × 531,315.02
  4. Step 4: Simplify right side
    775,920.93x = 569,178,034,560.12
  5. Step 5: Solve for x
    x = 569,178,034,560.12/775,920.93
  6. Step 6: Final answer
    x = 733,551.59

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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.