Home / 1,005,369.30-1,508,272.65-331,335.90

Finding the Fourth Proportional to 1,005,369.30, 1,508,272.65 and 331,335.90

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Solution

The fourth proportional to 1,005,369.30, 1,508,272.65 and 331,335.90 is: 497,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,369.30 : 1,508,272.65 = 331,335.90 : x
  2. Step 2: Convert to fraction form
    1,005,369.30/1,508,272.65 = 331,335.90/x
  3. Step 3: Cross multiply
    1,005,369.30x = 1,508,272.65 × 331,335.90
  4. Step 4: Simplify right side
    1,005,369.30x = 499,744,875,933.14
  5. Step 5: Solve for x
    x = 499,744,875,933.14/1,005,369.30
  6. Step 6: Final answer
    x = 497,075.93

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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.