Home / 817,648.08-1,128,334.44-450,122.24

Finding the Fourth Proportional to 817,648.08, 1,128,334.44 and 450,122.24

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Solution

The fourth proportional to 817,648.08, 1,128,334.44 and 450,122.24 is: 621,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,648.08 : 1,128,334.44 = 450,122.24 : x
  2. Step 2: Convert to fraction form
    817,648.08/1,128,334.44 = 450,122.24/x
  3. Step 3: Cross multiply
    817,648.08x = 1,128,334.44 × 450,122.24
  4. Step 4: Simplify right side
    817,648.08x = 507,888,419,960.27
  5. Step 5: Solve for x
    x = 507,888,419,960.27/817,648.08
  6. Step 6: Final answer
    x = 621,157.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.