Home / 775,266.28-1,069,842.54-431,100.52

Finding the Fourth Proportional to 775,266.28, 1,069,842.54 and 431,100.52

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Solution

The fourth proportional to 775,266.28, 1,069,842.54 and 431,100.52 is: 594,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,266.28 : 1,069,842.54 = 431,100.52 : x
  2. Step 2: Convert to fraction form
    775,266.28/1,069,842.54 = 431,100.52/x
  3. Step 3: Cross multiply
    775,266.28x = 1,069,842.54 × 431,100.52
  4. Step 4: Simplify right side
    775,266.28x = 461,209,675,312.12
  5. Step 5: Solve for x
    x = 461,209,675,312.12/775,266.28
  6. Step 6: Final answer
    x = 594,904.86

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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.