Home / 749,366.88-1,124,015.72-276,020.16

Finding the Fourth Proportional to 749,366.88, 1,124,015.72 and 276,020.16

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Solution

The fourth proportional to 749,366.88, 1,124,015.72 and 276,020.16 is: 414,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,366.88 : 1,124,015.72 = 276,020.16 : x
  2. Step 2: Convert to fraction form
    749,366.88/1,124,015.72 = 276,020.16/x
  3. Step 3: Cross multiply
    749,366.88x = 1,124,015.72 × 276,020.16
  4. Step 4: Simplify right side
    749,366.88x = 310,250,998,876.92
  5. Step 5: Solve for x
    x = 310,250,998,876.92/749,366.88
  6. Step 6: Final answer
    x = 414,017.50

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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.