Home / 672,913.80-1,008,449.10-548,497.80

Finding the Fourth Proportional to 672,913.80, 1,008,449.10 and 548,497.80

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Solution

The fourth proportional to 672,913.80, 1,008,449.10 and 548,497.80 is: 821,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,913.80 : 1,008,449.10 = 548,497.80 : x
  2. Step 2: Convert to fraction form
    672,913.80/1,008,449.10 = 548,497.80/x
  3. Step 3: Cross multiply
    672,913.80x = 1,008,449.10 × 548,497.80
  4. Step 4: Simplify right side
    672,913.80x = 553,132,112,761.98
  5. Step 5: Solve for x
    x = 553,132,112,761.98/672,913.80
  6. Step 6: Final answer
    x = 821,995.50

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1.5x scale

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.