Home / 944,988.89-1,418,416.46-412,877.21

Finding the Fourth Proportional to 944,988.89, 1,418,416.46 and 412,877.21

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Solution

The fourth proportional to 944,988.89, 1,418,416.46 and 412,877.21 is: 619,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,988.89 : 1,418,416.46 = 412,877.21 : x
  2. Step 2: Convert to fraction form
    944,988.89/1,418,416.46 = 412,877.21/x
  3. Step 3: Cross multiply
    944,988.89x = 1,418,416.46 × 412,877.21
  4. Step 4: Simplify right side
    944,988.89x = 585,631,830,622.88
  5. Step 5: Solve for x
    x = 585,631,830,622.88/944,988.89
  6. Step 6: Final answer
    x = 619,723.51

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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.