Home / 577,579.10-865,785.45-262,262.30

Finding the Fourth Proportional to 577,579.10, 865,785.45 and 262,262.30

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Solution

The fourth proportional to 577,579.10, 865,785.45 and 262,262.30 is: 393,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,579.10 : 865,785.45 = 262,262.30 : x
  2. Step 2: Convert to fraction form
    577,579.10/865,785.45 = 262,262.30/x
  3. Step 3: Cross multiply
    577,579.10x = 865,785.45 × 262,262.30
  4. Step 4: Simplify right side
    577,579.10x = 227,062,883,423.54
  5. Step 5: Solve for x
    x = 227,062,883,423.54/577,579.10
  6. Step 6: Final answer
    x = 393,128.64

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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.