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Finding the Fourth Proportional to 601,384.54, 901,117.24 and 440,715.88

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Solution

The fourth proportional to 601,384.54, 901,117.24 and 440,715.88 is: 660,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,384.54 : 901,117.24 = 440,715.88 : x
  2. Step 2: Convert to fraction form
    601,384.54/901,117.24 = 440,715.88/x
  3. Step 3: Cross multiply
    601,384.54x = 901,117.24 × 440,715.88
  4. Step 4: Simplify right side
    601,384.54x = 397,136,677,409.77
  5. Step 5: Solve for x
    x = 397,136,677,409.77/601,384.54
  6. Step 6: Final answer
    x = 660,370.61

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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.