Home / 872,175.33-1,203,701.76-485,029.35

Finding the Fourth Proportional to 872,175.33, 1,203,701.76 and 485,029.35

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Solution

The fourth proportional to 872,175.33, 1,203,701.76 and 485,029.35 is: 669,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,175.33 : 1,203,701.76 = 485,029.35 : x
  2. Step 2: Convert to fraction form
    872,175.33/1,203,701.76 = 485,029.35/x
  3. Step 3: Cross multiply
    872,175.33x = 1,203,701.76 × 485,029.35
  4. Step 4: Simplify right side
    872,175.33x = 583,830,682,246.66
  5. Step 5: Solve for x
    x = 583,830,682,246.66/872,175.33
  6. Step 6: Final answer
    x = 669,396.01

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1.5x scale

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.