Home / 674,331.40-1,011,788.70-341,907.40

Finding the Fourth Proportional to 674,331.40, 1,011,788.70 and 341,907.40

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Solution

The fourth proportional to 674,331.40, 1,011,788.70 and 341,907.40 is: 513,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,331.40 : 1,011,788.70 = 341,907.40 : x
  2. Step 2: Convert to fraction form
    674,331.40/1,011,788.70 = 341,907.40/x
  3. Step 3: Cross multiply
    674,331.40x = 1,011,788.70 × 341,907.40
  4. Step 4: Simplify right side
    674,331.40x = 345,938,043,766.38
  5. Step 5: Solve for x
    x = 345,938,043,766.38/674,331.40
  6. Step 6: Final answer
    x = 513,008.95

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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.