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Finding the Fourth Proportional to 539,033.97, 743,870.39 and 297,323.07

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Solution

The fourth proportional to 539,033.97, 743,870.39 and 297,323.07 is: 410,307.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,033.97 : 743,870.39 = 297,323.07 : x
  2. Step 2: Convert to fraction form
    539,033.97/743,870.39 = 297,323.07/x
  3. Step 3: Cross multiply
    539,033.97x = 743,870.39 × 297,323.07
  4. Step 4: Simplify right side
    539,033.97x = 221,169,826,550.28
  5. Step 5: Solve for x
    x = 221,169,826,550.28/539,033.97
  6. Step 6: Final answer
    x = 410,307.77

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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.