Home / 775,359.38-1,161,851.94-521,700.32

Finding the Fourth Proportional to 775,359.38, 1,161,851.94 and 521,700.32

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Solution

The fourth proportional to 775,359.38, 1,161,851.94 and 521,700.32 is: 781,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,359.38 : 1,161,851.94 = 521,700.32 : x
  2. Step 2: Convert to fraction form
    775,359.38/1,161,851.94 = 521,700.32/x
  3. Step 3: Cross multiply
    775,359.38x = 1,161,851.94 × 521,700.32
  4. Step 4: Simplify right side
    775,359.38x = 606,138,528,890.62
  5. Step 5: Solve for x
    x = 606,138,528,890.62/775,359.38
  6. Step 6: Final answer
    x = 781,751.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.