Home / 1,005,507.91-1,507,941.33-331,463.59

Finding the Fourth Proportional to 1,005,507.91, 1,507,941.33 and 331,463.59

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Solution

The fourth proportional to 1,005,507.91, 1,507,941.33 and 331,463.59 is: 497,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,507.91 : 1,507,941.33 = 331,463.59 : x
  2. Step 2: Convert to fraction form
    1,005,507.91/1,507,941.33 = 331,463.59/x
  3. Step 3: Cross multiply
    1,005,507.91x = 1,507,941.33 × 331,463.59
  4. Step 4: Simplify right side
    1,005,507.91x = 499,827,646,751.18
  5. Step 5: Solve for x
    x = 499,827,646,751.18/1,005,507.91
  6. Step 6: Final answer
    x = 497,089.72

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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.