Home / 893,836.42-1,233,479.52-485,948.40

Finding the Fourth Proportional to 893,836.42, 1,233,479.52 and 485,948.40

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Solution

The fourth proportional to 893,836.42, 1,233,479.52 and 485,948.40 is: 670,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,836.42 : 1,233,479.52 = 485,948.40 : x
  2. Step 2: Convert to fraction form
    893,836.42/1,233,479.52 = 485,948.40/x
  3. Step 3: Cross multiply
    893,836.42x = 1,233,479.52 × 485,948.40
  4. Step 4: Simplify right side
    893,836.42x = 599,407,399,176.77
  5. Step 5: Solve for x
    x = 599,407,399,176.77/893,836.42
  6. Step 6: Final answer
    x = 670,600.78

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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.