Home / 692,600.80-1,038,901.20-219,323.20

Finding the Fourth Proportional to 692,600.80, 1,038,901.20 and 219,323.20

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Solution

The fourth proportional to 692,600.80, 1,038,901.20 and 219,323.20 is: 328,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,600.80 : 1,038,901.20 = 219,323.20 : x
  2. Step 2: Convert to fraction form
    692,600.80/1,038,901.20 = 219,323.20/x
  3. Step 3: Cross multiply
    692,600.80x = 1,038,901.20 × 219,323.20
  4. Step 4: Simplify right side
    692,600.80x = 227,855,135,667.84
  5. Step 5: Solve for x
    x = 227,855,135,667.84/692,600.80
  6. Step 6: Final answer
    x = 328,984.80

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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.