Home / 971,953.42-1,457,764-261,815.39

Finding the Fourth Proportional to 971,953.42, 1,457,764 and 261,815.39

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Solution

The fourth proportional to 971,953.42, 1,457,764 and 261,815.39 is: 392,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,953.42 : 1,457,764 = 261,815.39 : x
  2. Step 2: Convert to fraction form
    971,953.42/1,457,764 = 261,815.39/x
  3. Step 3: Cross multiply
    971,953.42x = 1,457,764 × 261,815.39
  4. Step 4: Simplify right side
    971,953.42x = 381,665,050,187.96
  5. Step 5: Solve for x
    x = 381,665,050,187.96/971,953.42
  6. Step 6: Final answer
    x = 392,678.33

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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.