Home / 692,182.80-1,038,274.20-218,905.20

Finding the Fourth Proportional to 692,182.80, 1,038,274.20 and 218,905.20

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Solution

The fourth proportional to 692,182.80, 1,038,274.20 and 218,905.20 is: 328,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,182.80 : 1,038,274.20 = 218,905.20 : x
  2. Step 2: Convert to fraction form
    692,182.80/1,038,274.20 = 218,905.20/x
  3. Step 3: Cross multiply
    692,182.80x = 1,038,274.20 × 218,905.20
  4. Step 4: Simplify right side
    692,182.80x = 227,283,621,405.84
  5. Step 5: Solve for x
    x = 227,283,621,405.84/692,182.80
  6. Step 6: Final answer
    x = 328,357.80

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Similar ratio
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1.5x scale

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.