Home / 709,064.78-1,062,710.22-354,177.86

Finding the Fourth Proportional to 709,064.78, 1,062,710.22 and 354,177.86

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Solution

The fourth proportional to 709,064.78, 1,062,710.22 and 354,177.86 is: 530,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,064.78 : 1,062,710.22 = 354,177.86 : x
  2. Step 2: Convert to fraction form
    709,064.78/1,062,710.22 = 354,177.86/x
  3. Step 3: Cross multiply
    709,064.78x = 1,062,710.22 × 354,177.86
  4. Step 4: Simplify right side
    709,064.78x = 376,388,431,519.73
  5. Step 5: Solve for x
    x = 376,388,431,519.73/709,064.78
  6. Step 6: Final answer
    x = 530,823.76

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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.