Home / 971,373.96-1,457,236.26-439,145.64

Finding the Fourth Proportional to 971,373.96, 1,457,236.26 and 439,145.64

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Solution

The fourth proportional to 971,373.96, 1,457,236.26 and 439,145.64 is: 658,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,373.96 : 1,457,236.26 = 439,145.64 : x
  2. Step 2: Convert to fraction form
    971,373.96/1,457,236.26 = 439,145.64/x
  3. Step 3: Cross multiply
    971,373.96x = 1,457,236.26 × 439,145.64
  4. Step 4: Simplify right side
    971,373.96x = 639,938,950,028.91
  5. Step 5: Solve for x
    x = 639,938,950,028.91/971,373.96
  6. Step 6: Final answer
    x = 658,797.72

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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.