Home / 907,505.84-1,361,406.36-308,520.56

Finding the Fourth Proportional to 907,505.84, 1,361,406.36 and 308,520.56

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Solution

The fourth proportional to 907,505.84, 1,361,406.36 and 308,520.56 is: 462,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,505.84 : 1,361,406.36 = 308,520.56 : x
  2. Step 2: Convert to fraction form
    907,505.84/1,361,406.36 = 308,520.56/x
  3. Step 3: Cross multiply
    907,505.84x = 1,361,406.36 × 308,520.56
  4. Step 4: Simplify right side
    907,505.84x = 420,021,852,574.76
  5. Step 5: Solve for x
    x = 420,021,852,574.76/907,505.84
  6. Step 6: Final answer
    x = 462,831.02

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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.