Home / 691,373.90-1,036,888.05-264,817.10

Finding the Fourth Proportional to 691,373.90, 1,036,888.05 and 264,817.10

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Solution

The fourth proportional to 691,373.90, 1,036,888.05 and 264,817.10 is: 397,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,373.90 : 1,036,888.05 = 264,817.10 : x
  2. Step 2: Convert to fraction form
    691,373.90/1,036,888.05 = 264,817.10/x
  3. Step 3: Cross multiply
    691,373.90x = 1,036,888.05 × 264,817.10
  4. Step 4: Simplify right side
    691,373.90x = 274,585,686,425.66
  5. Step 5: Solve for x
    x = 274,585,686,425.66/691,373.90
  6. Step 6: Final answer
    x = 397,159.46

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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.