Home / 628,297.32-867,228.58-370,324.20

Finding the Fourth Proportional to 628,297.32, 867,228.58 and 370,324.20

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Solution

The fourth proportional to 628,297.32, 867,228.58 and 370,324.20 is: 511,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,297.32 : 867,228.58 = 370,324.20 : x
  2. Step 2: Convert to fraction form
    628,297.32/867,228.58 = 370,324.20/x
  3. Step 3: Cross multiply
    628,297.32x = 867,228.58 × 370,324.20
  4. Step 4: Simplify right side
    628,297.32x = 321,155,730,105.64
  5. Step 5: Solve for x
    x = 321,155,730,105.64/628,297.32
  6. Step 6: Final answer
    x = 511,152.47

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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.