Home / 755,111.60-1,132,667.40-256,475.60

Finding the Fourth Proportional to 755,111.60, 1,132,667.40 and 256,475.60

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Solution

The fourth proportional to 755,111.60, 1,132,667.40 and 256,475.60 is: 384,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,111.60 : 1,132,667.40 = 256,475.60 : x
  2. Step 2: Convert to fraction form
    755,111.60/1,132,667.40 = 256,475.60/x
  3. Step 3: Cross multiply
    755,111.60x = 1,132,667.40 × 256,475.60
  4. Step 4: Simplify right side
    755,111.60x = 290,501,551,015.44
  5. Step 5: Solve for x
    x = 290,501,551,015.44/755,111.60
  6. Step 6: Final answer
    x = 384,713.40

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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.