Home / 988,277.20-1,482,415.80-240,323.20

Finding the Fourth Proportional to 988,277.20, 1,482,415.80 and 240,323.20

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Solution

The fourth proportional to 988,277.20, 1,482,415.80 and 240,323.20 is: 360,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,277.20 : 1,482,415.80 = 240,323.20 : x
  2. Step 2: Convert to fraction form
    988,277.20/1,482,415.80 = 240,323.20/x
  3. Step 3: Cross multiply
    988,277.20x = 1,482,415.80 × 240,323.20
  4. Step 4: Simplify right side
    988,277.20x = 356,258,908,786.56
  5. Step 5: Solve for x
    x = 356,258,908,786.56/988,277.20
  6. Step 6: Final answer
    x = 360,484.80

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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.