Home / 744,962.94-1,117,259.28-212,488.56

Finding the Fourth Proportional to 744,962.94, 1,117,259.28 and 212,488.56

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Solution

The fourth proportional to 744,962.94, 1,117,259.28 and 212,488.56 is: 318,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,962.94 : 1,117,259.28 = 212,488.56 : x
  2. Step 2: Convert to fraction form
    744,962.94/1,117,259.28 = 212,488.56/x
  3. Step 3: Cross multiply
    744,962.94x = 1,117,259.28 × 212,488.56
  4. Step 4: Simplify right side
    744,962.94x = 237,404,815,553.84
  5. Step 5: Solve for x
    x = 237,404,815,553.84/744,962.94
  6. Step 6: Final answer
    x = 318,680.03

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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.