Home / 739,092.60-1,109,076.30-487,101.60

Finding the Fourth Proportional to 739,092.60, 1,109,076.30 and 487,101.60

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Solution

The fourth proportional to 739,092.60, 1,109,076.30 and 487,101.60 is: 730,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,092.60 : 1,109,076.30 = 487,101.60 : x
  2. Step 2: Convert to fraction form
    739,092.60/1,109,076.30 = 487,101.60/x
  3. Step 3: Cross multiply
    739,092.60x = 1,109,076.30 × 487,101.60
  4. Step 4: Simplify right side
    739,092.60x = 540,232,840,252.08
  5. Step 5: Solve for x
    x = 540,232,840,252.08/739,092.60
  6. Step 6: Final answer
    x = 730,940.67

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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.