Home / 872,598.17-1,308,119.95-339,998.06

Finding the Fourth Proportional to 872,598.17, 1,308,119.95 and 339,998.06

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Solution

The fourth proportional to 872,598.17, 1,308,119.95 and 339,998.06 is: 509,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,598.17 : 1,308,119.95 = 339,998.06 : x
  2. Step 2: Convert to fraction form
    872,598.17/1,308,119.95 = 339,998.06/x
  3. Step 3: Cross multiply
    872,598.17x = 1,308,119.95 × 339,998.06
  4. Step 4: Simplify right side
    872,598.17x = 444,758,239,131.70
  5. Step 5: Solve for x
    x = 444,758,239,131.70/872,598.17
  6. Step 6: Final answer
    x = 509,694.22

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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.