Home / 775,166.36-1,069,709.63-430,984.46

Finding the Fourth Proportional to 775,166.36, 1,069,709.63 and 430,984.46

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Solution

The fourth proportional to 775,166.36, 1,069,709.63 and 430,984.46 is: 594,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,166.36 : 1,069,709.63 = 430,984.46 : x
  2. Step 2: Convert to fraction form
    775,166.36/1,069,709.63 = 430,984.46/x
  3. Step 3: Cross multiply
    775,166.36x = 1,069,709.63 × 430,984.46
  4. Step 4: Simplify right side
    775,166.36x = 461,028,227,761.70
  5. Step 5: Solve for x
    x = 461,028,227,761.70/775,166.36
  6. Step 6: Final answer
    x = 594,747.47

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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.