Home / 757,211.68-1,044,844.68-470,627.20

Finding the Fourth Proportional to 757,211.68, 1,044,844.68 and 470,627.20

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Solution

The fourth proportional to 757,211.68, 1,044,844.68 and 470,627.20 is: 649,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,211.68 : 1,044,844.68 = 470,627.20 : x
  2. Step 2: Convert to fraction form
    757,211.68/1,044,844.68 = 470,627.20/x
  3. Step 3: Cross multiply
    757,211.68x = 1,044,844.68 × 470,627.20
  4. Step 4: Simplify right side
    757,211.68x = 491,732,326,183.30
  5. Step 5: Solve for x
    x = 491,732,326,183.30/757,211.68
  6. Step 6: Final answer
    x = 649,398.76

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1.5x scale

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.