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Finding the Fourth Proportional to 606,721.20, 910,081.80 and 536,737.20

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Solution

The fourth proportional to 606,721.20, 910,081.80 and 536,737.20 is: 805,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,721.20 : 910,081.80 = 536,737.20 : x
  2. Step 2: Convert to fraction form
    606,721.20/910,081.80 = 536,737.20/x
  3. Step 3: Cross multiply
    606,721.20x = 910,081.80 × 536,737.20
  4. Step 4: Simplify right side
    606,721.20x = 488,474,757,102.96
  5. Step 5: Solve for x
    x = 488,474,757,102.96/606,721.20
  6. Step 6: Final answer
    x = 805,105.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.