Home / 539,119.72-743,981.06-297,412.48

Finding the Fourth Proportional to 539,119.72, 743,981.06 and 297,412.48

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Solution

The fourth proportional to 539,119.72, 743,981.06 and 297,412.48 is: 410,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,119.72 : 743,981.06 = 297,412.48 : x
  2. Step 2: Convert to fraction form
    539,119.72/743,981.06 = 297,412.48/x
  3. Step 3: Cross multiply
    539,119.72x = 743,981.06 × 297,412.48
  4. Step 4: Simplify right side
    539,119.72x = 221,269,256,311.82
  5. Step 5: Solve for x
    x = 221,269,256,311.82/539,119.72
  6. Step 6: Final answer
    x = 410,426.94

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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.