Home / 628,560.26-867,396.50-342,074.20

Finding the Fourth Proportional to 628,560.26, 867,396.50 and 342,074.20

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Solution

The fourth proportional to 628,560.26, 867,396.50 and 342,074.20 is: 472,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,560.26 : 867,396.50 = 342,074.20 : x
  2. Step 2: Convert to fraction form
    628,560.26/867,396.50 = 342,074.20/x
  3. Step 3: Cross multiply
    628,560.26x = 867,396.50 × 342,074.20
  4. Step 4: Simplify right side
    628,560.26x = 296,713,963,820.30
  5. Step 5: Solve for x
    x = 296,713,963,820.30/628,560.26
  6. Step 6: Final answer
    x = 472,053.33

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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.