Home / 539,112.71-743,973.45-297,410.33

Finding the Fourth Proportional to 539,112.71, 743,973.45 and 297,410.33

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Solution

The fourth proportional to 539,112.71, 743,973.45 and 297,410.33 is: 410,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,112.71 : 743,973.45 = 297,410.33 : x
  2. Step 2: Convert to fraction form
    539,112.71/743,973.45 = 297,410.33/x
  3. Step 3: Cross multiply
    539,112.71x = 743,973.45 × 297,410.33
  4. Step 4: Simplify right side
    539,112.71x = 221,265,389,275.74
  5. Step 5: Solve for x
    x = 221,265,389,275.74/539,112.71
  6. Step 6: Final answer
    x = 410,425.10

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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.