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Finding the Fourth Proportional to 606,030.48, 906,800.26 and 485,722.53

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Solution

The fourth proportional to 606,030.48, 906,800.26 and 485,722.53 is: 726,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,030.48 : 906,800.26 = 485,722.53 : x
  2. Step 2: Convert to fraction form
    606,030.48/906,800.26 = 485,722.53/x
  3. Step 3: Cross multiply
    606,030.48x = 906,800.26 × 485,722.53
  4. Step 4: Simplify right side
    606,030.48x = 440,453,316,491.86
  5. Step 5: Solve for x
    x = 440,453,316,491.86/606,030.48
  6. Step 6: Final answer
    x = 726,784.10

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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.