Home / 893,400.49-1,232,888.61-485,494.61

Finding the Fourth Proportional to 893,400.49, 1,232,888.61 and 485,494.61

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Solution

The fourth proportional to 893,400.49, 1,232,888.61 and 485,494.61 is: 669,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,400.49 : 1,232,888.61 = 485,494.61 : x
  2. Step 2: Convert to fraction form
    893,400.49/1,232,888.61 = 485,494.61/x
  3. Step 3: Cross multiply
    893,400.49x = 1,232,888.61 × 485,494.61
  4. Step 4: Simplify right side
    893,400.49x = 598,560,777,967.61
  5. Step 5: Solve for x
    x = 598,560,777,967.61/893,400.49
  6. Step 6: Final answer
    x = 669,980.36

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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.