Home / 906,405.69-1,358,383.77-345,134.01

Finding the Fourth Proportional to 906,405.69, 1,358,383.77 and 345,134.01

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Solution

The fourth proportional to 906,405.69, 1,358,383.77 and 345,134.01 is: 517,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,405.69 : 1,358,383.77 = 345,134.01 : x
  2. Step 2: Convert to fraction form
    906,405.69/1,358,383.77 = 345,134.01/x
  3. Step 3: Cross multiply
    906,405.69x = 1,358,383.77 × 345,134.01
  4. Step 4: Simplify right side
    906,405.69x = 468,824,437,659.02
  5. Step 5: Solve for x
    x = 468,824,437,659.02/906,405.69
  6. Step 6: Final answer
    x = 517,234.66

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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.