Home / 548,733.54-757,281.74-307,001.73

Finding the Fourth Proportional to 548,733.54, 757,281.74 and 307,001.73

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Solution

The fourth proportional to 548,733.54, 757,281.74 and 307,001.73 is: 423,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,733.54 : 757,281.74 = 307,001.73 : x
  2. Step 2: Convert to fraction form
    548,733.54/757,281.74 = 307,001.73/x
  3. Step 3: Cross multiply
    548,733.54x = 757,281.74 × 307,001.73
  4. Step 4: Simplify right side
    548,733.54x = 232,486,802,742.40
  5. Step 5: Solve for x
    x = 232,486,802,742.40/548,733.54
  6. Step 6: Final answer
    x = 423,678.86

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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.