Home / 744,913.50-1,117,380.50-212,434.58

Finding the Fourth Proportional to 744,913.50, 1,117,380.50 and 212,434.58

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Solution

The fourth proportional to 744,913.50, 1,117,380.50 and 212,434.58 is: 318,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,913.50 : 1,117,380.50 = 212,434.58 : x
  2. Step 2: Convert to fraction form
    744,913.50/1,117,380.50 = 212,434.58/x
  3. Step 3: Cross multiply
    744,913.50x = 1,117,380.50 × 212,434.58
  4. Step 4: Simplify right side
    744,913.50x = 237,370,257,217.69
  5. Step 5: Solve for x
    x = 237,370,257,217.69/744,913.50
  6. Step 6: Final answer
    x = 318,654.79

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1.5x scale

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.