Home / 907,679.40-1,361,519.10-242,831.40

Finding the Fourth Proportional to 907,679.40, 1,361,519.10 and 242,831.40

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Solution

The fourth proportional to 907,679.40, 1,361,519.10 and 242,831.40 is: 364,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,679.40 : 1,361,519.10 = 242,831.40 : x
  2. Step 2: Convert to fraction form
    907,679.40/1,361,519.10 = 242,831.40/x
  3. Step 3: Cross multiply
    907,679.40x = 1,361,519.10 × 242,831.40
  4. Step 4: Simplify right side
    907,679.40x = 330,619,589,179.74
  5. Step 5: Solve for x
    x = 330,619,589,179.74/907,679.40
  6. Step 6: Final answer
    x = 364,247.10

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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.