Home / 959,220.06-1,438,665.93-319,451.10

Finding the Fourth Proportional to 959,220.06, 1,438,665.93 and 319,451.10

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Solution

The fourth proportional to 959,220.06, 1,438,665.93 and 319,451.10 is: 479,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,220.06 : 1,438,665.93 = 319,451.10 : x
  2. Step 2: Convert to fraction form
    959,220.06/1,438,665.93 = 319,451.10/x
  3. Step 3: Cross multiply
    959,220.06x = 1,438,665.93 × 319,451.10
  4. Step 4: Simplify right side
    959,220.06x = 459,583,413,871.02
  5. Step 5: Solve for x
    x = 459,583,413,871.02/959,220.06
  6. Step 6: Final answer
    x = 479,121.98

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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.