Home / 539,120.84-743,984.66-297,418.46

Finding the Fourth Proportional to 539,120.84, 743,984.66 and 297,418.46

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Solution

The fourth proportional to 539,120.84, 743,984.66 and 297,418.46 is: 410,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,120.84 : 743,984.66 = 297,418.46 : x
  2. Step 2: Convert to fraction form
    539,120.84/743,984.66 = 297,418.46/x
  3. Step 3: Cross multiply
    539,120.84x = 743,984.66 × 297,418.46
  4. Step 4: Simplify right side
    539,120.84x = 221,274,768,864.45
  5. Step 5: Solve for x
    x = 221,274,768,864.45/539,120.84
  6. Step 6: Final answer
    x = 410,436.32

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1.5x scale

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.