Home / 907,688.32-1,361,680.25-268,056.74

Finding the Fourth Proportional to 907,688.32, 1,361,680.25 and 268,056.74

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Solution

The fourth proportional to 907,688.32, 1,361,680.25 and 268,056.74 is: 402,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,688.32 : 1,361,680.25 = 268,056.74 : x
  2. Step 2: Convert to fraction form
    907,688.32/1,361,680.25 = 268,056.74/x
  3. Step 3: Cross multiply
    907,688.32x = 1,361,680.25 × 268,056.74
  4. Step 4: Simplify right side
    907,688.32x = 365,007,570,801.30
  5. Step 5: Solve for x
    x = 365,007,570,801.30/907,688.32
  6. Step 6: Final answer
    x = 402,128.75

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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.