Home / 903,740.52-1,355,597.82-220,636.20

Finding the Fourth Proportional to 903,740.52, 1,355,597.82 and 220,636.20

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Solution

The fourth proportional to 903,740.52, 1,355,597.82 and 220,636.20 is: 330,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,740.52 : 1,355,597.82 = 220,636.20 : x
  2. Step 2: Convert to fraction form
    903,740.52/1,355,597.82 = 220,636.20/x
  3. Step 3: Cross multiply
    903,740.52x = 1,355,597.82 × 220,636.20
  4. Step 4: Simplify right side
    903,740.52x = 299,093,951,733.08
  5. Step 5: Solve for x
    x = 299,093,951,733.08/903,740.52
  6. Step 6: Final answer
    x = 330,951.14

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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.