Home / 498,811.11-688,112.69-294,763.34

Finding the Fourth Proportional to 498,811.11, 688,112.69 and 294,763.34

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Solution

The fourth proportional to 498,811.11, 688,112.69 and 294,763.34 is: 406,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,811.11 : 688,112.69 = 294,763.34 : x
  2. Step 2: Convert to fraction form
    498,811.11/688,112.69 = 294,763.34/x
  3. Step 3: Cross multiply
    498,811.11x = 688,112.69 × 294,763.34
  4. Step 4: Simplify right side
    498,811.11x = 202,830,389,886.41
  5. Step 5: Solve for x
    x = 202,830,389,886.41/498,811.11
  6. Step 6: Final answer
    x = 406,627.65

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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.