Home / 628,441.38-867,234.93-341,962.26

Finding the Fourth Proportional to 628,441.38, 867,234.93 and 341,962.26

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Solution

The fourth proportional to 628,441.38, 867,234.93 and 341,962.26 is: 471,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,441.38 : 867,234.93 = 341,962.26 : x
  2. Step 2: Convert to fraction form
    628,441.38/867,234.93 = 341,962.26/x
  3. Step 3: Cross multiply
    628,441.38x = 867,234.93 × 341,962.26
  4. Step 4: Simplify right side
    628,441.38x = 296,561,616,613.74
  5. Step 5: Solve for x
    x = 296,561,616,613.74/628,441.38
  6. Step 6: Final answer
    x = 471,900.21

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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.