Home / 692,134.20-1,038,006.90-218,964.60

Finding the Fourth Proportional to 692,134.20, 1,038,006.90 and 218,964.60

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Solution

The fourth proportional to 692,134.20, 1,038,006.90 and 218,964.60 is: 328,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,134.20 : 1,038,006.90 = 218,964.60 : x
  2. Step 2: Convert to fraction form
    692,134.20/1,038,006.90 = 218,964.60/x
  3. Step 3: Cross multiply
    692,134.20x = 1,038,006.90 × 218,964.60
  4. Step 4: Simplify right side
    692,134.20x = 227,286,765,655.74
  5. Step 5: Solve for x
    x = 227,286,765,655.74/692,134.20
  6. Step 6: Final answer
    x = 328,385.40

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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.