Home / 990,849.15-1,486,273.73-242,895.15

Finding the Fourth Proportional to 990,849.15, 1,486,273.73 and 242,895.15

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Solution

The fourth proportional to 990,849.15, 1,486,273.73 and 242,895.15 is: 364,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,849.15 : 1,486,273.73 = 242,895.15 : x
  2. Step 2: Convert to fraction form
    990,849.15/1,486,273.73 = 242,895.15/x
  3. Step 3: Cross multiply
    990,849.15x = 1,486,273.73 × 242,895.15
  4. Step 4: Simplify right side
    990,849.15x = 361,008,679,374.93
  5. Step 5: Solve for x
    x = 361,008,679,374.93/990,849.15
  6. Step 6: Final answer
    x = 364,342.73

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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.