Home / 969,889.68-1,338,330.04-556,405.04

Finding the Fourth Proportional to 969,889.68, 1,338,330.04 and 556,405.04

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Solution

The fourth proportional to 969,889.68, 1,338,330.04 and 556,405.04 is: 767,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,889.68 : 1,338,330.04 = 556,405.04 : x
  2. Step 2: Convert to fraction form
    969,889.68/1,338,330.04 = 556,405.04/x
  3. Step 3: Cross multiply
    969,889.68x = 1,338,330.04 × 556,405.04
  4. Step 4: Simplify right side
    969,889.68x = 744,653,579,439.40
  5. Step 5: Solve for x
    x = 744,653,579,439.40/969,889.68
  6. Step 6: Final answer
    x = 767,771.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.