Home / 626,403.73-864,437.14-339,923.82

Finding the Fourth Proportional to 626,403.73, 864,437.14 and 339,923.82

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Solution

The fourth proportional to 626,403.73, 864,437.14 and 339,923.82 is: 469,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,403.73 : 864,437.14 = 339,923.82 : x
  2. Step 2: Convert to fraction form
    626,403.73/864,437.14 = 339,923.82/x
  3. Step 3: Cross multiply
    626,403.73x = 864,437.14 × 339,923.82
  4. Step 4: Simplify right side
    626,403.73x = 293,842,774,778.68
  5. Step 5: Solve for x
    x = 293,842,774,778.68/626,403.73
  6. Step 6: Final answer
    x = 469,094.87

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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.