Home / 1,005,502.04-1,507,932.54-331,457.70

Finding the Fourth Proportional to 1,005,502.04, 1,507,932.54 and 331,457.70

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Solution

The fourth proportional to 1,005,502.04, 1,507,932.54 and 331,457.70 is: 497,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,502.04 : 1,507,932.54 = 331,457.70 : x
  2. Step 2: Convert to fraction form
    1,005,502.04/1,507,932.54 = 331,457.70/x
  3. Step 3: Cross multiply
    1,005,502.04x = 1,507,932.54 × 331,457.70
  4. Step 4: Simplify right side
    1,005,502.04x = 499,815,851,463.56
  5. Step 5: Solve for x
    x = 499,815,851,463.56/1,005,502.04
  6. Step 6: Final answer
    x = 497,080.89

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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.