Home / 499,285.13-689,013.47-272,932.25

Finding the Fourth Proportional to 499,285.13, 689,013.47 and 272,932.25

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Solution

The fourth proportional to 499,285.13, 689,013.47 and 272,932.25 is: 376,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,285.13 : 689,013.47 = 272,932.25 : x
  2. Step 2: Convert to fraction form
    499,285.13/689,013.47 = 272,932.25/x
  3. Step 3: Cross multiply
    499,285.13x = 689,013.47 × 272,932.25
  4. Step 4: Simplify right side
    499,285.13x = 188,053,993,884.67
  5. Step 5: Solve for x
    x = 188,053,993,884.67/499,285.13
  6. Step 6: Final answer
    x = 376,646.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.