Home / 772,018.90-1,157,633.34-322,617.04

Finding the Fourth Proportional to 772,018.90, 1,157,633.34 and 322,617.04

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Solution

The fourth proportional to 772,018.90, 1,157,633.34 and 322,617.04 is: 483,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,018.90 : 1,157,633.34 = 322,617.04 : x
  2. Step 2: Convert to fraction form
    772,018.90/1,157,633.34 = 322,617.04/x
  3. Step 3: Cross multiply
    772,018.90x = 1,157,633.34 × 322,617.04
  4. Step 4: Simplify right side
    772,018.90x = 373,472,241,556.11
  5. Step 5: Solve for x
    x = 373,472,241,556.11/772,018.90
  6. Step 6: Final answer
    x = 483,760.49

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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.