Home / 798,441.60-1,195,912.80-424,027.20

Finding the Fourth Proportional to 798,441.60, 1,195,912.80 and 424,027.20

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Solution

The fourth proportional to 798,441.60, 1,195,912.80 and 424,027.20 is: 635,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,441.60 : 1,195,912.80 = 424,027.20 : x
  2. Step 2: Convert to fraction form
    798,441.60/1,195,912.80 = 424,027.20/x
  3. Step 3: Cross multiply
    798,441.60x = 1,195,912.80 × 424,027.20
  4. Step 4: Simplify right side
    798,441.60x = 507,099,556,028.16
  5. Step 5: Solve for x
    x = 507,099,556,028.16/798,441.60
  6. Step 6: Final answer
    x = 635,111.64

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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.