Home / 959,413.64-1,439,100.36-319,763.68

Finding the Fourth Proportional to 959,413.64, 1,439,100.36 and 319,763.68

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Solution

The fourth proportional to 959,413.64, 1,439,100.36 and 319,763.68 is: 479,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,413.64 : 1,439,100.36 = 319,763.68 : x
  2. Step 2: Convert to fraction form
    959,413.64/1,439,100.36 = 319,763.68/x
  3. Step 3: Cross multiply
    959,413.64x = 1,439,100.36 × 319,763.68
  4. Step 4: Simplify right side
    959,413.64x = 460,172,027,002.93
  5. Step 5: Solve for x
    x = 460,172,027,002.93/959,413.64
  6. Step 6: Final answer
    x = 479,638.82

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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.