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Finding the Fourth Proportional to 493,706.39, 740,701.45 and 205,461.93

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Solution

The fourth proportional to 493,706.39, 740,701.45 and 205,461.93 is: 308,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,706.39 : 740,701.45 = 205,461.93 : x
  2. Step 2: Convert to fraction form
    493,706.39/740,701.45 = 205,461.93/x
  3. Step 3: Cross multiply
    493,706.39x = 740,701.45 × 205,461.93
  4. Step 4: Simplify right side
    493,706.39x = 152,185,948,443.49
  5. Step 5: Solve for x
    x = 152,185,948,443.49/493,706.39
  6. Step 6: Final answer
    x = 308,251.93

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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.