Home / 937,259.46-1,405,598.61-338,142.78

Finding the Fourth Proportional to 937,259.46, 1,405,598.61 and 338,142.78

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Solution

The fourth proportional to 937,259.46, 1,405,598.61 and 338,142.78 is: 507,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,259.46 : 1,405,598.61 = 338,142.78 : x
  2. Step 2: Convert to fraction form
    937,259.46/1,405,598.61 = 338,142.78/x
  3. Step 3: Cross multiply
    937,259.46x = 1,405,598.61 × 338,142.78
  4. Step 4: Simplify right side
    937,259.46x = 475,293,021,549.54
  5. Step 5: Solve for x
    x = 475,293,021,549.54/937,259.46
  6. Step 6: Final answer
    x = 507,109.34

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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.