Home / 676,995.42-1,015,468.46-272,312.94

Finding the Fourth Proportional to 676,995.42, 1,015,468.46 and 272,312.94

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Solution

The fourth proportional to 676,995.42, 1,015,468.46 and 272,312.94 is: 408,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,995.42 : 1,015,468.46 = 272,312.94 : x
  2. Step 2: Convert to fraction form
    676,995.42/1,015,468.46 = 272,312.94/x
  3. Step 3: Cross multiply
    676,995.42x = 1,015,468.46 × 272,312.94
  4. Step 4: Simplify right side
    676,995.42x = 276,525,201,819.87
  5. Step 5: Solve for x
    x = 276,525,201,819.87/676,995.42
  6. Step 6: Final answer
    x = 408,459.49

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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.