Home / 888,980.32-1,333,335.13-289,940.52

Finding the Fourth Proportional to 888,980.32, 1,333,335.13 and 289,940.52

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Solution

The fourth proportional to 888,980.32, 1,333,335.13 and 289,940.52 is: 434,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,980.32 : 1,333,335.13 = 289,940.52 : x
  2. Step 2: Convert to fraction form
    888,980.32/1,333,335.13 = 289,940.52/x
  3. Step 3: Cross multiply
    888,980.32x = 1,333,335.13 × 289,940.52
  4. Step 4: Simplify right side
    888,980.32x = 386,587,880,926.47
  5. Step 5: Solve for x
    x = 386,587,880,926.47/888,980.32
  6. Step 6: Final answer
    x = 434,866.64

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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.