Home / 628,904.40-943,403.04-179,663.28

Finding the Fourth Proportional to 628,904.40, 943,403.04 and 179,663.28

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Solution

The fourth proportional to 628,904.40, 943,403.04 and 179,663.28 is: 269,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,904.40 : 943,403.04 = 179,663.28 : x
  2. Step 2: Convert to fraction form
    628,904.40/943,403.04 = 179,663.28/x
  3. Step 3: Cross multiply
    628,904.40x = 943,403.04 × 179,663.28
  4. Step 4: Simplify right side
    628,904.40x = 169,494,884,528.37
  5. Step 5: Solve for x
    x = 169,494,884,528.37/628,904.40
  6. Step 6: Final answer
    x = 269,508.19

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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.