Home / 767,056.32-1,151,102.88-268,424.64

Finding the Fourth Proportional to 767,056.32, 1,151,102.88 and 268,424.64

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Solution

The fourth proportional to 767,056.32, 1,151,102.88 and 268,424.64 is: 402,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,056.32 : 1,151,102.88 = 268,424.64 : x
  2. Step 2: Convert to fraction form
    767,056.32/1,151,102.88 = 268,424.64/x
  3. Step 3: Cross multiply
    767,056.32x = 1,151,102.88 × 268,424.64
  4. Step 4: Simplify right side
    767,056.32x = 308,984,376,166.96
  5. Step 5: Solve for x
    x = 308,984,376,166.96/767,056.32
  6. Step 6: Final answer
    x = 402,818.37

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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.