Home / 745,992.18-1,118,987.22-346,414.44

Finding the Fourth Proportional to 745,992.18, 1,118,987.22 and 346,414.44

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Solution

The fourth proportional to 745,992.18, 1,118,987.22 and 346,414.44 is: 519,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,992.18 : 1,118,987.22 = 346,414.44 : x
  2. Step 2: Convert to fraction form
    745,992.18/1,118,987.22 = 346,414.44/x
  3. Step 3: Cross multiply
    745,992.18x = 1,118,987.22 × 346,414.44
  4. Step 4: Simplify right side
    745,992.18x = 387,633,331,183.46
  5. Step 5: Solve for x
    x = 387,633,331,183.46/745,992.18
  6. Step 6: Final answer
    x = 519,621.17

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Double scale
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Similar ratio
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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.