Home / 786,941.52-1,180,528.20-254,285.52

Finding the Fourth Proportional to 786,941.52, 1,180,528.20 and 254,285.52

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Solution

The fourth proportional to 786,941.52, 1,180,528.20 and 254,285.52 is: 381,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,941.52 : 1,180,528.20 = 254,285.52 : x
  2. Step 2: Convert to fraction form
    786,941.52/1,180,528.20 = 254,285.52/x
  3. Step 3: Cross multiply
    786,941.52x = 1,180,528.20 × 254,285.52
  4. Step 4: Simplify right side
    786,941.52x = 300,191,227,211.66
  5. Step 5: Solve for x
    x = 300,191,227,211.66/786,941.52
  6. Step 6: Final answer
    x = 381,465.74

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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.