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Finding the Fourth Proportional to 605,720.50, 835,911.57 and 337,465.78

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Solution

The fourth proportional to 605,720.50, 835,911.57 and 337,465.78 is: 465,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,720.50 : 835,911.57 = 337,465.78 : x
  2. Step 2: Convert to fraction form
    605,720.50/835,911.57 = 337,465.78/x
  3. Step 3: Cross multiply
    605,720.50x = 835,911.57 × 337,465.78
  4. Step 4: Simplify right side
    605,720.50x = 282,091,549,981.08
  5. Step 5: Solve for x
    x = 282,091,549,981.08/605,720.50
  6. Step 6: Final answer
    x = 465,712.40

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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.