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Finding the Fourth Proportional to 606,254.57, 909,381.80 and 340,035.85

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Solution

The fourth proportional to 606,254.57, 909,381.80 and 340,035.85 is: 510,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,254.57 : 909,381.80 = 340,035.85 : x
  2. Step 2: Convert to fraction form
    606,254.57/909,381.80 = 340,035.85/x
  3. Step 3: Cross multiply
    606,254.57x = 909,381.80 × 340,035.85
  4. Step 4: Simplify right side
    606,254.57x = 309,222,413,337.53
  5. Step 5: Solve for x
    x = 309,222,413,337.53/606,254.57
  6. Step 6: Final answer
    x = 510,053.74

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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.