Home / 628,838.40-943,184.70-179,628.60

Finding the Fourth Proportional to 628,838.40, 943,184.70 and 179,628.60

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Solution

The fourth proportional to 628,838.40, 943,184.70 and 179,628.60 is: 269,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,838.40 : 943,184.70 = 179,628.60 : x
  2. Step 2: Convert to fraction form
    628,838.40/943,184.70 = 179,628.60/x
  3. Step 3: Cross multiply
    628,838.40x = 943,184.70 × 179,628.60
  4. Step 4: Simplify right side
    628,838.40x = 169,422,947,202.42
  5. Step 5: Solve for x
    x = 169,422,947,202.42/628,838.40
  6. Step 6: Final answer
    x = 269,422.08

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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.