Home / 691,274.07-1,036,686.94-264,787.20

Finding the Fourth Proportional to 691,274.07, 1,036,686.94 and 264,787.20

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Solution

The fourth proportional to 691,274.07, 1,036,686.94 and 264,787.20 is: 397,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,274.07 : 1,036,686.94 = 264,787.20 : x
  2. Step 2: Convert to fraction form
    691,274.07/1,036,686.94 = 264,787.20/x
  3. Step 3: Cross multiply
    691,274.07x = 1,036,686.94 × 264,787.20
  4. Step 4: Simplify right side
    691,274.07x = 274,501,432,119.17
  5. Step 5: Solve for x
    x = 274,501,432,119.17/691,274.07
  6. Step 6: Final answer
    x = 397,094.94

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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.