Home / 628,943.07-943,562.15-179,670.36

Finding the Fourth Proportional to 628,943.07, 943,562.15 and 179,670.36

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Solution

The fourth proportional to 628,943.07, 943,562.15 and 179,670.36 is: 269,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,943.07 : 943,562.15 = 179,670.36 : x
  2. Step 2: Convert to fraction form
    628,943.07/943,562.15 = 179,670.36/x
  3. Step 3: Cross multiply
    628,943.07x = 943,562.15 × 179,670.36
  4. Step 4: Simplify right side
    628,943.07x = 169,530,151,172.87
  5. Step 5: Solve for x
    x = 169,530,151,172.87/628,943.07
  6. Step 6: Final answer
    x = 269,547.69

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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.