Home / 558,064.20-835,346.70-400,600.20

Finding the Fourth Proportional to 558,064.20, 835,346.70 and 400,600.20

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Solution

The fourth proportional to 558,064.20, 835,346.70 and 400,600.20 is: 599,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,064.20 : 835,346.70 = 400,600.20 : x
  2. Step 2: Convert to fraction form
    558,064.20/835,346.70 = 400,600.20/x
  3. Step 3: Cross multiply
    558,064.20x = 835,346.70 × 400,600.20
  4. Step 4: Simplify right side
    558,064.20x = 334,640,055,089.34
  5. Step 5: Solve for x
    x = 334,640,055,089.34/558,064.20
  6. Step 6: Final answer
    x = 599,644.37

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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.