Home / 888,646.33-1,333,510.79-319,979.87

Finding the Fourth Proportional to 888,646.33, 1,333,510.79 and 319,979.87

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Solution

The fourth proportional to 888,646.33, 1,333,510.79 and 319,979.87 is: 480,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,646.33 : 1,333,510.79 = 319,979.87 : x
  2. Step 2: Convert to fraction form
    888,646.33/1,333,510.79 = 319,979.87/x
  3. Step 3: Cross multiply
    888,646.33x = 1,333,510.79 × 319,979.87
  4. Step 4: Simplify right side
    888,646.33x = 426,696,600,960.34
  5. Step 5: Solve for x
    x = 426,696,600,960.34/888,646.33
  6. Step 6: Final answer
    x = 480,164.70

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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.