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Finding the Fourth Proportional to 562,529.46, 776,287.86 and 304,406.22

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Solution

The fourth proportional to 562,529.46, 776,287.86 and 304,406.22 is: 420,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,529.46 : 776,287.86 = 304,406.22 : x
  2. Step 2: Convert to fraction form
    562,529.46/776,287.86 = 304,406.22/x
  3. Step 3: Cross multiply
    562,529.46x = 776,287.86 × 304,406.22
  4. Step 4: Simplify right side
    562,529.46x = 236,306,853,094.49
  5. Step 5: Solve for x
    x = 236,306,853,094.49/562,529.46
  6. Step 6: Final answer
    x = 420,079.07

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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.