Home / 922,873.36-1,384,301.88-291,787.60

Finding the Fourth Proportional to 922,873.36, 1,384,301.88 and 291,787.60

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Solution

The fourth proportional to 922,873.36, 1,384,301.88 and 291,787.60 is: 437,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,873.36 : 1,384,301.88 = 291,787.60 : x
  2. Step 2: Convert to fraction form
    922,873.36/1,384,301.88 = 291,787.60/x
  3. Step 3: Cross multiply
    922,873.36x = 1,384,301.88 × 291,787.60
  4. Step 4: Simplify right side
    922,873.36x = 403,922,123,240.69
  5. Step 5: Solve for x
    x = 403,922,123,240.69/922,873.36
  6. Step 6: Final answer
    x = 437,678.82

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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.