Home / 628,973.15-942,618.95-229,238.15

Finding the Fourth Proportional to 628,973.15, 942,618.95 and 229,238.15

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Solution

The fourth proportional to 628,973.15, 942,618.95 and 229,238.15 is: 343,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,973.15 : 942,618.95 = 229,238.15 : x
  2. Step 2: Convert to fraction form
    628,973.15/942,618.95 = 229,238.15/x
  3. Step 3: Cross multiply
    628,973.15x = 942,618.95 × 229,238.15
  4. Step 4: Simplify right side
    628,973.15x = 216,084,223,910.80
  5. Step 5: Solve for x
    x = 216,084,223,910.80/628,973.15
  6. Step 6: Final answer
    x = 343,550.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.