Home / 531,123.03-796,920.09-278,343.45

Finding the Fourth Proportional to 531,123.03, 796,920.09 and 278,343.45

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Solution

The fourth proportional to 531,123.03, 796,920.09 and 278,343.45 is: 417,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,123.03 : 796,920.09 = 278,343.45 : x
  2. Step 2: Convert to fraction form
    531,123.03/796,920.09 = 278,343.45/x
  3. Step 3: Cross multiply
    531,123.03x = 796,920.09 × 278,343.45
  4. Step 4: Simplify right side
    531,123.03x = 221,817,487,224.91
  5. Step 5: Solve for x
    x = 221,817,487,224.91/531,123.03
  6. Step 6: Final answer
    x = 417,638.62

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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.