Home / 971,615.12-1,457,381.36-331,976.21

Finding the Fourth Proportional to 971,615.12, 1,457,381.36 and 331,976.21

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Solution

The fourth proportional to 971,615.12, 1,457,381.36 and 331,976.21 is: 497,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,615.12 : 1,457,381.36 = 331,976.21 : x
  2. Step 2: Convert to fraction form
    971,615.12/1,457,381.36 = 331,976.21/x
  3. Step 3: Cross multiply
    971,615.12x = 1,457,381.36 × 331,976.21
  4. Step 4: Simplify right side
    971,615.12x = 483,815,933,960.48
  5. Step 5: Solve for x
    x = 483,815,933,960.48/971,615.12
  6. Step 6: Final answer
    x = 497,950.19

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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.