Home / 872,421.83-1,308,633.05-273,429.47

Finding the Fourth Proportional to 872,421.83, 1,308,633.05 and 273,429.47

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Solution

The fourth proportional to 872,421.83, 1,308,633.05 and 273,429.47 is: 410,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,421.83 : 1,308,633.05 = 273,429.47 : x
  2. Step 2: Convert to fraction form
    872,421.83/1,308,633.05 = 273,429.47/x
  3. Step 3: Cross multiply
    872,421.83x = 1,308,633.05 × 273,429.47
  4. Step 4: Simplify right side
    872,421.83x = 357,818,835,426.39
  5. Step 5: Solve for x
    x = 357,818,835,426.39/872,421.83
  6. Step 6: Final answer
    x = 410,144.29

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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.