Home / 889,940.51-1,228,236.98-502,836.04

Finding the Fourth Proportional to 889,940.51, 1,228,236.98 and 502,836.04

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Solution

The fourth proportional to 889,940.51, 1,228,236.98 and 502,836.04 is: 693,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,940.51 : 1,228,236.98 = 502,836.04 : x
  2. Step 2: Convert to fraction form
    889,940.51/1,228,236.98 = 502,836.04/x
  3. Step 3: Cross multiply
    889,940.51x = 1,228,236.98 × 502,836.04
  4. Step 4: Simplify right side
    889,940.51x = 617,601,819,204.76
  5. Step 5: Solve for x
    x = 617,601,819,204.76/889,940.51
  6. Step 6: Final answer
    x = 693,981.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.