Home / 1,005,178.82-1,507,955.00-331,307.42

Finding the Fourth Proportional to 1,005,178.82, 1,507,955.00 and 331,307.42

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Solution

The fourth proportional to 1,005,178.82, 1,507,955.00 and 331,307.42 is: 497,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,178.82 : 1,507,955.00 = 331,307.42 : x
  2. Step 2: Convert to fraction form
    1,005,178.82/1,507,955.00 = 331,307.42/x
  3. Step 3: Cross multiply
    1,005,178.82x = 1,507,955.00 × 331,307.42
  4. Step 4: Simplify right side
    1,005,178.82x = 499,596,671,329.79
  5. Step 5: Solve for x
    x = 499,596,671,329.79/1,005,178.82
  6. Step 6: Final answer
    x = 497,022.68

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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.