Home / 745,586.73-1,118,296.34-205,919.73

Finding the Fourth Proportional to 745,586.73, 1,118,296.34 and 205,919.73

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Solution

The fourth proportional to 745,586.73, 1,118,296.34 and 205,919.73 is: 308,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,586.73 : 1,118,296.34 = 205,919.73 : x
  2. Step 2: Convert to fraction form
    745,586.73/1,118,296.34 = 205,919.73/x
  3. Step 3: Cross multiply
    745,586.73x = 1,118,296.34 × 205,919.73
  4. Step 4: Simplify right side
    745,586.73x = 230,279,279,363.19
  5. Step 5: Solve for x
    x = 230,279,279,363.19/745,586.73
  6. Step 6: Final answer
    x = 308,856.46

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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.