Home / 671,426.20-1,007,139.30-228,194.20

Finding the Fourth Proportional to 671,426.20, 1,007,139.30 and 228,194.20

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Solution

The fourth proportional to 671,426.20, 1,007,139.30 and 228,194.20 is: 342,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,426.20 : 1,007,139.30 = 228,194.20 : x
  2. Step 2: Convert to fraction form
    671,426.20/1,007,139.30 = 228,194.20/x
  3. Step 3: Cross multiply
    671,426.20x = 1,007,139.30 × 228,194.20
  4. Step 4: Simplify right side
    671,426.20x = 229,823,346,852.06
  5. Step 5: Solve for x
    x = 229,823,346,852.06/671,426.20
  6. Step 6: Final answer
    x = 342,291.30

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Half scale
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Double scale
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Similar ratio
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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.