Home / 674,036-1,011,831.64-342,311.84

Finding the Fourth Proportional to 674,036, 1,011,831.64 and 342,311.84

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Solution

The fourth proportional to 674,036, 1,011,831.64 and 342,311.84 is: 513,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,036 : 1,011,831.64 = 342,311.84 : x
  2. Step 2: Convert to fraction form
    674,036/1,011,831.64 = 342,311.84/x
  3. Step 3: Cross multiply
    674,036x = 1,011,831.64 × 342,311.84
  4. Step 4: Simplify right side
    674,036x = 346,361,950,458.62
  5. Step 5: Solve for x
    x = 346,361,950,458.62/674,036
  6. Step 6: Final answer
    x = 513,862.69

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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.