Home / 719,814.22-1,078,890.84-270,248.35

Finding the Fourth Proportional to 719,814.22, 1,078,890.84 and 270,248.35

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Solution

The fourth proportional to 719,814.22, 1,078,890.84 and 270,248.35 is: 405,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,814.22 : 1,078,890.84 = 270,248.35 : x
  2. Step 2: Convert to fraction form
    719,814.22/1,078,890.84 = 270,248.35/x
  3. Step 3: Cross multiply
    719,814.22x = 1,078,890.84 × 270,248.35
  4. Step 4: Simplify right side
    719,814.22x = 291,568,468,665.81
  5. Step 5: Solve for x
    x = 291,568,468,665.81/719,814.22
  6. Step 6: Final answer
    x = 405,060.72

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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.