Home / 770,015.93-1,154,935.65-201,451.90

Finding the Fourth Proportional to 770,015.93, 1,154,935.65 and 201,451.90

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Solution

The fourth proportional to 770,015.93, 1,154,935.65 and 201,451.90 is: 302,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,015.93 : 1,154,935.65 = 201,451.90 : x
  2. Step 2: Convert to fraction form
    770,015.93/1,154,935.65 = 201,451.90/x
  3. Step 3: Cross multiply
    770,015.93x = 1,154,935.65 × 201,451.90
  4. Step 4: Simplify right side
    770,015.93x = 232,663,978,182.90
  5. Step 5: Solve for x
    x = 232,663,978,182.90/770,015.93
  6. Step 6: Final answer
    x = 302,154.76

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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.