Home / 804,567.13-1,206,831.99-405,100.64

Finding the Fourth Proportional to 804,567.13, 1,206,831.99 and 405,100.64

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Solution

The fourth proportional to 804,567.13, 1,206,831.99 and 405,100.64 is: 607,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,567.13 : 1,206,831.99 = 405,100.64 : x
  2. Step 2: Convert to fraction form
    804,567.13/1,206,831.99 = 405,100.64/x
  3. Step 3: Cross multiply
    804,567.13x = 1,206,831.99 × 405,100.64
  4. Step 4: Simplify right side
    804,567.13x = 488,888,411,521.47
  5. Step 5: Solve for x
    x = 488,888,411,521.47/804,567.13
  6. Step 6: Final answer
    x = 607,641.54

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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.