Home / 486,983.10-672,023.78-272,124.94

Finding the Fourth Proportional to 486,983.10, 672,023.78 and 272,124.94

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Solution

The fourth proportional to 486,983.10, 672,023.78 and 272,124.94 is: 375,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,983.10 : 672,023.78 = 272,124.94 : x
  2. Step 2: Convert to fraction form
    486,983.10/672,023.78 = 272,124.94/x
  3. Step 3: Cross multiply
    486,983.10x = 672,023.78 × 272,124.94
  4. Step 4: Simplify right side
    486,983.10x = 182,874,430,811.07
  5. Step 5: Solve for x
    x = 182,874,430,811.07/486,983.10
  6. Step 6: Final answer
    x = 375,525.21

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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.