Home / 971,620.74-1,457,389.80-331,981.83

Finding the Fourth Proportional to 971,620.74, 1,457,389.80 and 331,981.83

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Solution

The fourth proportional to 971,620.74, 1,457,389.80 and 331,981.83 is: 497,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,620.74 : 1,457,389.80 = 331,981.83 : x
  2. Step 2: Convert to fraction form
    971,620.74/1,457,389.80 = 331,981.83/x
  3. Step 3: Cross multiply
    971,620.74x = 1,457,389.80 × 331,981.83
  4. Step 4: Simplify right side
    971,620.74x = 483,826,932,827.33
  5. Step 5: Solve for x
    x = 483,826,932,827.33/971,620.74
  6. Step 6: Final answer
    x = 497,958.63

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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.