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Finding the Fourth Proportional to 478,795.29, 660,742.11 and 263,943.11

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Solution

The fourth proportional to 478,795.29, 660,742.11 and 263,943.11 is: 364,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,795.29 : 660,742.11 = 263,943.11 : x
  2. Step 2: Convert to fraction form
    478,795.29/660,742.11 = 263,943.11/x
  3. Step 3: Cross multiply
    478,795.29x = 660,742.11 × 263,943.11
  4. Step 4: Simplify right side
    478,795.29x = 174,398,324,117.65
  5. Step 5: Solve for x
    x = 174,398,324,117.65/478,795.29
  6. Step 6: Final answer
    x = 364,244.03

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1.5x scale

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.