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Finding the Fourth Proportional to 614,929.78, 848,604.39 and 342,990.67

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Solution

The fourth proportional to 614,929.78, 848,604.39 and 342,990.67 is: 473,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,929.78 : 848,604.39 = 342,990.67 : x
  2. Step 2: Convert to fraction form
    614,929.78/848,604.39 = 342,990.67/x
  3. Step 3: Cross multiply
    614,929.78x = 848,604.39 × 342,990.67
  4. Step 4: Simplify right side
    614,929.78x = 291,063,388,291.04
  5. Step 5: Solve for x
    x = 291,063,388,291.04/614,929.78
  6. Step 6: Final answer
    x = 473,327.85

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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.