Home / 743,856.30-1,115,784.45-182,890.80

Finding the Fourth Proportional to 743,856.30, 1,115,784.45 and 182,890.80

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Solution

The fourth proportional to 743,856.30, 1,115,784.45 and 182,890.80 is: 274,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,856.30 : 1,115,784.45 = 182,890.80 : x
  2. Step 2: Convert to fraction form
    743,856.30/1,115,784.45 = 182,890.80/x
  3. Step 3: Cross multiply
    743,856.30x = 1,115,784.45 × 182,890.80
  4. Step 4: Simplify right side
    743,856.30x = 204,066,710,688.06
  5. Step 5: Solve for x
    x = 204,066,710,688.06/743,856.30
  6. Step 6: Final answer
    x = 274,336.20

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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.