Home / 709,774.27-1,063,775.36-354,889.78

Finding the Fourth Proportional to 709,774.27, 1,063,775.36 and 354,889.78

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Solution

The fourth proportional to 709,774.27, 1,063,775.36 and 354,889.78 is: 531,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,774.27 : 1,063,775.36 = 354,889.78 : x
  2. Step 2: Convert to fraction form
    709,774.27/1,063,775.36 = 354,889.78/x
  3. Step 3: Cross multiply
    709,774.27x = 1,063,775.36 × 354,889.78
  4. Step 4: Simplify right side
    709,774.27x = 377,523,001,707.61
  5. Step 5: Solve for x
    x = 377,523,001,707.61/709,774.27
  6. Step 6: Final answer
    x = 531,891.64

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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.