Home / 871,643.62-1,306,716.51-302,950.82

Finding the Fourth Proportional to 871,643.62, 1,306,716.51 and 302,950.82

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Solution

The fourth proportional to 871,643.62, 1,306,716.51 and 302,950.82 is: 454,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,643.62 : 1,306,716.51 = 302,950.82 : x
  2. Step 2: Convert to fraction form
    871,643.62/1,306,716.51 = 302,950.82/x
  3. Step 3: Cross multiply
    871,643.62x = 1,306,716.51 × 302,950.82
  4. Step 4: Simplify right side
    871,643.62x = 395,870,831,678.46
  5. Step 5: Solve for x
    x = 395,870,831,678.46/871,643.62
  6. Step 6: Final answer
    x = 454,165.93

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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.