Home / 539,113.61-743,981.40-297,404.48

Finding the Fourth Proportional to 539,113.61, 743,981.40 and 297,404.48

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Solution

The fourth proportional to 539,113.61, 743,981.40 and 297,404.48 is: 410,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,113.61 : 743,981.40 = 297,404.48 : x
  2. Step 2: Convert to fraction form
    539,113.61/743,981.40 = 297,404.48/x
  3. Step 3: Cross multiply
    539,113.61x = 743,981.40 × 297,404.48
  4. Step 4: Simplify right side
    539,113.61x = 221,263,397,676.77
  5. Step 5: Solve for x
    x = 221,263,397,676.77/539,113.61
  6. Step 6: Final answer
    x = 410,420.73

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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.