Home / 665,159.04-917,917.92-363,355.20

Finding the Fourth Proportional to 665,159.04, 917,917.92 and 363,355.20

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Solution

The fourth proportional to 665,159.04, 917,917.92 and 363,355.20 is: 501,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,159.04 : 917,917.92 = 363,355.20 : x
  2. Step 2: Convert to fraction form
    665,159.04/917,917.92 = 363,355.20/x
  3. Step 3: Cross multiply
    665,159.04x = 917,917.92 × 363,355.20
  4. Step 4: Simplify right side
    665,159.04x = 333,530,249,405.18
  5. Step 5: Solve for x
    x = 333,530,249,405.18/665,159.04
  6. Step 6: Final answer
    x = 501,429.33

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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.