Home / 775,929.86-1,071,275.10-531,323.90

Finding the Fourth Proportional to 775,929.86, 1,071,275.10 and 531,323.90

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Solution

The fourth proportional to 775,929.86, 1,071,275.10 and 531,323.90 is: 733,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,929.86 : 1,071,275.10 = 531,323.90 : x
  2. Step 2: Convert to fraction form
    775,929.86/1,071,275.10 = 531,323.90/x
  3. Step 3: Cross multiply
    775,929.86x = 1,071,275.10 × 531,323.90
  4. Step 4: Simplify right side
    775,929.86x = 569,194,064,104.89
  5. Step 5: Solve for x
    x = 569,194,064,104.89/775,929.86
  6. Step 6: Final answer
    x = 733,563.81

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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.