Home / 893,133.69-1,232,538.48-485,243.61

Finding the Fourth Proportional to 893,133.69, 1,232,538.48 and 485,243.61

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Solution

The fourth proportional to 893,133.69, 1,232,538.48 and 485,243.61 is: 669,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,133.69 : 1,232,538.48 = 485,243.61 : x
  2. Step 2: Convert to fraction form
    893,133.69/1,232,538.48 = 485,243.61/x
  3. Step 3: Cross multiply
    893,133.69x = 1,232,538.48 × 485,243.61
  4. Step 4: Simplify right side
    893,133.69x = 598,081,421,499.11
  5. Step 5: Solve for x
    x = 598,081,421,499.11/893,133.69
  6. Step 6: Final answer
    x = 669,643.78

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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.