Home / 691,141.20-1,036,638.10-241,870.65

Finding the Fourth Proportional to 691,141.20, 1,036,638.10 and 241,870.65

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Solution

The fourth proportional to 691,141.20, 1,036,638.10 and 241,870.65 is: 362,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,141.20 : 1,036,638.10 = 241,870.65 : x
  2. Step 2: Convert to fraction form
    691,141.20/1,036,638.10 = 241,870.65/x
  3. Step 3: Cross multiply
    691,141.20x = 1,036,638.10 × 241,870.65
  4. Step 4: Simplify right side
    691,141.20x = 250,732,331,061.77
  5. Step 5: Solve for x
    x = 250,732,331,061.77/691,141.20
  6. Step 6: Final answer
    x = 362,780.18

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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.