Home / 913,630.22-1,260,794.42-505,723.32

Finding the Fourth Proportional to 913,630.22, 1,260,794.42 and 505,723.32

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Solution

The fourth proportional to 913,630.22, 1,260,794.42 and 505,723.32 is: 697,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,630.22 : 1,260,794.42 = 505,723.32 : x
  2. Step 2: Convert to fraction form
    913,630.22/1,260,794.42 = 505,723.32/x
  3. Step 3: Cross multiply
    913,630.22x = 1,260,794.42 × 505,723.32
  4. Step 4: Simplify right side
    913,630.22x = 637,613,139,919.87
  5. Step 5: Solve for x
    x = 637,613,139,919.87/913,630.22
  6. Step 6: Final answer
    x = 697,889.72

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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.