Home / 523,868.48-723,115.50-340,358.12

Finding the Fourth Proportional to 523,868.48, 723,115.50 and 340,358.12

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Solution

The fourth proportional to 523,868.48, 723,115.50 and 340,358.12 is: 469,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,868.48 : 723,115.50 = 340,358.12 : x
  2. Step 2: Convert to fraction form
    523,868.48/723,115.50 = 340,358.12/x
  3. Step 3: Cross multiply
    523,868.48x = 723,115.50 × 340,358.12
  4. Step 4: Simplify right side
    523,868.48x = 246,118,231,857.14
  5. Step 5: Solve for x
    x = 246,118,231,857.14/523,868.48
  6. Step 6: Final answer
    x = 469,809.20

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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.