Home / 548,386.80-822,839.40-233,113.20

Finding the Fourth Proportional to 548,386.80, 822,839.40 and 233,113.20

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Solution

The fourth proportional to 548,386.80, 822,839.40 and 233,113.20 is: 349,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,386.80 : 822,839.40 = 233,113.20 : x
  2. Step 2: Convert to fraction form
    548,386.80/822,839.40 = 233,113.20/x
  3. Step 3: Cross multiply
    548,386.80x = 822,839.40 × 233,113.20
  4. Step 4: Simplify right side
    548,386.80x = 191,814,725,620.08
  5. Step 5: Solve for x
    x = 191,814,725,620.08/548,386.80
  6. Step 6: Final answer
    x = 349,779.98

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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.