Home / 888,646.58-1,333,511.16-319,980.12

Finding the Fourth Proportional to 888,646.58, 1,333,511.16 and 319,980.12

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Solution

The fourth proportional to 888,646.58, 1,333,511.16 and 319,980.12 is: 480,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,646.58 : 1,333,511.16 = 319,980.12 : x
  2. Step 2: Convert to fraction form
    888,646.58/1,333,511.16 = 319,980.12/x
  3. Step 3: Cross multiply
    888,646.58x = 1,333,511.16 × 319,980.12
  4. Step 4: Simplify right side
    888,646.58x = 426,697,060,998.14
  5. Step 5: Solve for x
    x = 426,697,060,998.14/888,646.58
  6. Step 6: Final answer
    x = 480,165.09

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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.