Home / 1,005,218.34-1,507,806.77-331,340.10

Finding the Fourth Proportional to 1,005,218.34, 1,507,806.77 and 331,340.10

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Solution

The fourth proportional to 1,005,218.34, 1,507,806.77 and 331,340.10 is: 497,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,218.34 : 1,507,806.77 = 331,340.10 : x
  2. Step 2: Convert to fraction form
    1,005,218.34/1,507,806.77 = 331,340.10/x
  3. Step 3: Cross multiply
    1,005,218.34x = 1,507,806.77 × 331,340.10
  4. Step 4: Simplify right side
    1,005,218.34x = 499,596,844,295.78
  5. Step 5: Solve for x
    x = 499,596,844,295.78/1,005,218.34
  6. Step 6: Final answer
    x = 497,003.31

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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.