Home / 872,940.64-1,310,110.79-452,336.80

Finding the Fourth Proportional to 872,940.64, 1,310,110.79 and 452,336.80

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Solution

The fourth proportional to 872,940.64, 1,310,110.79 and 452,336.80 is: 678,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,940.64 : 1,310,110.79 = 452,336.80 : x
  2. Step 2: Convert to fraction form
    872,940.64/1,310,110.79 = 452,336.80/x
  3. Step 3: Cross multiply
    872,940.64x = 1,310,110.79 × 452,336.80
  4. Step 4: Simplify right side
    872,940.64x = 592,611,316,974.36
  5. Step 5: Solve for x
    x = 592,611,316,974.36/872,940.64
  6. Step 6: Final answer
    x = 678,867.83

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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.