Home / 971,948.46-1,457,756.55-261,810.42

Finding the Fourth Proportional to 971,948.46, 1,457,756.55 and 261,810.42

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Solution

The fourth proportional to 971,948.46, 1,457,756.55 and 261,810.42 is: 392,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,948.46 : 1,457,756.55 = 261,810.42 : x
  2. Step 2: Convert to fraction form
    971,948.46/1,457,756.55 = 261,810.42/x
  3. Step 3: Cross multiply
    971,948.46x = 1,457,756.55 × 261,810.42
  4. Step 4: Simplify right side
    971,948.46x = 381,655,853,958.73
  5. Step 5: Solve for x
    x = 381,655,853,958.73/971,948.46
  6. Step 6: Final answer
    x = 392,670.88

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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.