Home / 437,747.56-656,424.51-423,969.46

Finding the Fourth Proportional to 437,747.56, 656,424.51 and 423,969.46

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Solution

The fourth proportional to 437,747.56, 656,424.51 and 423,969.46 is: 635,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,747.56 : 656,424.51 = 423,969.46 : x
  2. Step 2: Convert to fraction form
    437,747.56/656,424.51 = 423,969.46/x
  3. Step 3: Cross multiply
    437,747.56x = 656,424.51 × 423,969.46
  4. Step 4: Simplify right side
    437,747.56x = 278,303,941,804.52
  5. Step 5: Solve for x
    x = 278,303,941,804.52/437,747.56
  6. Step 6: Final answer
    x = 635,763.55

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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.