Home / 691,846.20-1,036,019.70-551,878.20

Finding the Fourth Proportional to 691,846.20, 1,036,019.70 and 551,878.20

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Solution

The fourth proportional to 691,846.20, 1,036,019.70 and 551,878.20 is: 826,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,846.20 : 1,036,019.70 = 551,878.20 : x
  2. Step 2: Convert to fraction form
    691,846.20/1,036,019.70 = 551,878.20/x
  3. Step 3: Cross multiply
    691,846.20x = 1,036,019.70 × 551,878.20
  4. Step 4: Simplify right side
    691,846.20x = 571,756,687,200.54
  5. Step 5: Solve for x
    x = 571,756,687,200.54/691,846.20
  6. Step 6: Final answer
    x = 826,421.66

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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.