Home / 389,852.90-584,176.59-304,260.81

Finding the Fourth Proportional to 389,852.90, 584,176.59 and 304,260.81

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Solution

The fourth proportional to 389,852.90, 584,176.59 and 304,260.81 is: 455,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,852.90 : 584,176.59 = 304,260.81 : x
  2. Step 2: Convert to fraction form
    389,852.90/584,176.59 = 304,260.81/x
  3. Step 3: Cross multiply
    389,852.90x = 584,176.59 × 304,260.81
  4. Step 4: Simplify right side
    389,852.90x = 177,742,040,935.13
  5. Step 5: Solve for x
    x = 177,742,040,935.13/389,852.90
  6. Step 6: Final answer
    x = 455,920.79

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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.