Home / 523,721.01-723,011.16-352,538.97

Finding the Fourth Proportional to 523,721.01, 723,011.16 and 352,538.97

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Solution

The fourth proportional to 523,721.01, 723,011.16 and 352,538.97 is: 486,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,721.01 : 723,011.16 = 352,538.97 : x
  2. Step 2: Convert to fraction form
    523,721.01/723,011.16 = 352,538.97/x
  3. Step 3: Cross multiply
    523,721.01x = 723,011.16 × 352,538.97
  4. Step 4: Simplify right side
    523,721.01x = 254,889,609,644.91
  5. Step 5: Solve for x
    x = 254,889,609,644.91/523,721.01
  6. Step 6: Final answer
    x = 486,689.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.