Home / 850,015.17-1,275,116.17-423,658.33

Finding the Fourth Proportional to 850,015.17, 1,275,116.17 and 423,658.33

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Solution

The fourth proportional to 850,015.17, 1,275,116.17 and 423,658.33 is: 635,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,015.17 : 1,275,116.17 = 423,658.33 : x
  2. Step 2: Convert to fraction form
    850,015.17/1,275,116.17 = 423,658.33/x
  3. Step 3: Cross multiply
    850,015.17x = 1,275,116.17 × 423,658.33
  4. Step 4: Simplify right side
    850,015.17x = 540,213,588,197.34
  5. Step 5: Solve for x
    x = 540,213,588,197.34/850,015.17
  6. Step 6: Final answer
    x = 635,534.05

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1.5x scale

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.