Home / 772,194.92-1,157,475.69-285,564.36

Finding the Fourth Proportional to 772,194.92, 1,157,475.69 and 285,564.36

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Solution

The fourth proportional to 772,194.92, 1,157,475.69 and 285,564.36 is: 428,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,194.92 : 1,157,475.69 = 285,564.36 : x
  2. Step 2: Convert to fraction form
    772,194.92/1,157,475.69 = 285,564.36/x
  3. Step 3: Cross multiply
    772,194.92x = 1,157,475.69 × 285,564.36
  4. Step 4: Simplify right side
    772,194.92x = 330,533,804,630.41
  5. Step 5: Solve for x
    x = 330,533,804,630.41/772,194.92
  6. Step 6: Final answer
    x = 428,044.52

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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.