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Finding the Fourth Proportional to 763,670.70, 1,145,506.05 and 265,034.70

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Solution

The fourth proportional to 763,670.70, 1,145,506.05 and 265,034.70 is: 397,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,670.70 : 1,145,506.05 = 265,034.70 : x
  2. Step 2: Convert to fraction form
    763,670.70/1,145,506.05 = 265,034.70/x
  3. Step 3: Cross multiply
    763,670.70x = 1,145,506.05 × 265,034.70
  4. Step 4: Simplify right side
    763,670.70x = 303,598,852,309.94
  5. Step 5: Solve for x
    x = 303,598,852,309.94/763,670.70
  6. Step 6: Final answer
    x = 397,552.05

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Similar ratio
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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.