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Finding the Fourth Proportional to 682,924.84, 942,437.67 and 377,001.64

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Solution

The fourth proportional to 682,924.84, 942,437.67 and 377,001.64 is: 520,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,924.84 : 942,437.67 = 377,001.64 : x
  2. Step 2: Convert to fraction form
    682,924.84/942,437.67 = 377,001.64/x
  3. Step 3: Cross multiply
    682,924.84x = 942,437.67 × 377,001.64
  4. Step 4: Simplify right side
    682,924.84x = 355,300,546,753.48
  5. Step 5: Solve for x
    x = 355,300,546,753.48/682,924.84
  6. Step 6: Final answer
    x = 520,263.03

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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.