Home / 752,398.53-1,038,308.53-408,234.36

Finding the Fourth Proportional to 752,398.53, 1,038,308.53 and 408,234.36

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Solution

The fourth proportional to 752,398.53, 1,038,308.53 and 408,234.36 is: 563,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,398.53 : 1,038,308.53 = 408,234.36 : x
  2. Step 2: Convert to fraction form
    752,398.53/1,038,308.53 = 408,234.36/x
  3. Step 3: Cross multiply
    752,398.53x = 1,038,308.53 × 408,234.36
  4. Step 4: Simplify right side
    752,398.53x = 423,873,222,533.70
  5. Step 5: Solve for x
    x = 423,873,222,533.70/752,398.53
  6. Step 6: Final answer
    x = 563,362.64

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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.