Home / 670,642.76-1,003,765.05-366,571.19

Finding the Fourth Proportional to 670,642.76, 1,003,765.05 and 366,571.19

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Solution

The fourth proportional to 670,642.76, 1,003,765.05 and 366,571.19 is: 548,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,642.76 : 1,003,765.05 = 366,571.19 : x
  2. Step 2: Convert to fraction form
    670,642.76/1,003,765.05 = 366,571.19/x
  3. Step 3: Cross multiply
    670,642.76x = 1,003,765.05 × 366,571.19
  4. Step 4: Simplify right side
    670,642.76x = 367,951,343,840.08
  5. Step 5: Solve for x
    x = 367,951,343,840.08/670,642.76
  6. Step 6: Final answer
    x = 548,654.77

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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.