Home / 850,291.76-1,275,456.72-317,522.16

Finding the Fourth Proportional to 850,291.76, 1,275,456.72 and 317,522.16

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Solution

The fourth proportional to 850,291.76, 1,275,456.72 and 317,522.16 is: 476,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,291.76 : 1,275,456.72 = 317,522.16 : x
  2. Step 2: Convert to fraction form
    850,291.76/1,275,456.72 = 317,522.16/x
  3. Step 3: Cross multiply
    850,291.76x = 1,275,456.72 × 317,522.16
  4. Step 4: Simplify right side
    850,291.76x = 404,985,772,720.92
  5. Step 5: Solve for x
    x = 404,985,772,720.92/850,291.76
  6. Step 6: Final answer
    x = 476,290.36

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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.