Home / 691,711.70-1,037,567.55-551,743.70

Finding the Fourth Proportional to 691,711.70, 1,037,567.55 and 551,743.70

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Solution

The fourth proportional to 691,711.70, 1,037,567.55 and 551,743.70 is: 827,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,711.70 : 1,037,567.55 = 551,743.70 : x
  2. Step 2: Convert to fraction form
    691,711.70/1,037,567.55 = 551,743.70/x
  3. Step 3: Cross multiply
    691,711.70x = 1,037,567.55 × 551,743.70
  4. Step 4: Simplify right side
    691,711.70x = 572,471,359,036.94
  5. Step 5: Solve for x
    x = 572,471,359,036.94/691,711.70
  6. Step 6: Final answer
    x = 827,615.55

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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.