Home / 876,615.20-1,314,922.80-404,223.20

Finding the Fourth Proportional to 876,615.20, 1,314,922.80 and 404,223.20

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Solution

The fourth proportional to 876,615.20, 1,314,922.80 and 404,223.20 is: 606,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,615.20 : 1,314,922.80 = 404,223.20 : x
  2. Step 2: Convert to fraction form
    876,615.20/1,314,922.80 = 404,223.20/x
  3. Step 3: Cross multiply
    876,615.20x = 1,314,922.80 × 404,223.20
  4. Step 4: Simplify right side
    876,615.20x = 531,522,301,968.96
  5. Step 5: Solve for x
    x = 531,522,301,968.96/876,615.20
  6. Step 6: Final answer
    x = 606,334.80

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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.