Home / 727,424.70-1,091,137.05-221,984.70

Finding the Fourth Proportional to 727,424.70, 1,091,137.05 and 221,984.70

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Solution

The fourth proportional to 727,424.70, 1,091,137.05 and 221,984.70 is: 332,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,424.70 : 1,091,137.05 = 221,984.70 : x
  2. Step 2: Convert to fraction form
    727,424.70/1,091,137.05 = 221,984.70/x
  3. Step 3: Cross multiply
    727,424.70x = 1,091,137.05 × 221,984.70
  4. Step 4: Simplify right side
    727,424.70x = 242,215,730,703.14
  5. Step 5: Solve for x
    x = 242,215,730,703.14/727,424.70
  6. Step 6: Final answer
    x = 332,977.05

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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.