Home / 872,325.18-1,308,486.15-273,332.21

Finding the Fourth Proportional to 872,325.18, 1,308,486.15 and 273,332.21

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Solution

The fourth proportional to 872,325.18, 1,308,486.15 and 273,332.21 is: 409,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,325.18 : 1,308,486.15 = 273,332.21 : x
  2. Step 2: Convert to fraction form
    872,325.18/1,308,486.15 = 273,332.21/x
  3. Step 3: Cross multiply
    872,325.18x = 1,308,486.15 × 273,332.21
  4. Step 4: Simplify right side
    872,325.18x = 357,651,404,591.46
  5. Step 5: Solve for x
    x = 357,651,404,591.46/872,325.18
  6. Step 6: Final answer
    x = 409,997.80

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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.