Home / 1,339,897.24-2,009,812.65-329,010.76

Finding the Fourth Proportional to 1,339,897.24, 2,009,812.65 and 329,010.76

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Solution

The fourth proportional to 1,339,897.24, 2,009,812.65 and 329,010.76 is: 493,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,897.24 : 2,009,812.65 = 329,010.76 : x
  2. Step 2: Convert to fraction form
    1,339,897.24/2,009,812.65 = 329,010.76/x
  3. Step 3: Cross multiply
    1,339,897.24x = 2,009,812.65 × 329,010.76
  4. Step 4: Simplify right side
    1,339,897.24x = 661,249,987,434.11
  5. Step 5: Solve for x
    x = 661,249,987,434.11/1,339,897.24
  6. Step 6: Final answer
    x = 493,507.99

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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.