Home / 691,445.69-1,037,320.87-211,677.13

Finding the Fourth Proportional to 691,445.69, 1,037,320.87 and 211,677.13

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Solution

The fourth proportional to 691,445.69, 1,037,320.87 and 211,677.13 is: 317,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,445.69 : 1,037,320.87 = 211,677.13 : x
  2. Step 2: Convert to fraction form
    691,445.69/1,037,320.87 = 211,677.13/x
  3. Step 3: Cross multiply
    691,445.69x = 1,037,320.87 × 211,677.13
  4. Step 4: Simplify right side
    691,445.69x = 219,577,100,575.47
  5. Step 5: Solve for x
    x = 219,577,100,575.47/691,445.69
  6. Step 6: Final answer
    x = 317,562.32

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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.