Home / 548,435.74-822,570.21-211,427.23

Finding the Fourth Proportional to 548,435.74, 822,570.21 and 211,427.23

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Solution

The fourth proportional to 548,435.74, 822,570.21 and 211,427.23 is: 317,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,435.74 : 822,570.21 = 211,427.23 : x
  2. Step 2: Convert to fraction form
    548,435.74/822,570.21 = 211,427.23/x
  3. Step 3: Cross multiply
    548,435.74x = 822,570.21 × 211,427.23
  4. Step 4: Simplify right side
    548,435.74x = 173,913,740,980.82
  5. Step 5: Solve for x
    x = 173,913,740,980.82/548,435.74
  6. Step 6: Final answer
    x = 317,108.69

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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.