Home / 525,010.93-724,128.33-395,954.80

Finding the Fourth Proportional to 525,010.93, 724,128.33 and 395,954.80

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Solution

The fourth proportional to 525,010.93, 724,128.33 and 395,954.80 is: 546,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,010.93 : 724,128.33 = 395,954.80 : x
  2. Step 2: Convert to fraction form
    525,010.93/724,128.33 = 395,954.80/x
  3. Step 3: Cross multiply
    525,010.93x = 724,128.33 × 395,954.80
  4. Step 4: Simplify right side
    525,010.93x = 286,722,088,079.48
  5. Step 5: Solve for x
    x = 286,722,088,079.48/525,010.93
  6. Step 6: Final answer
    x = 546,125.94

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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.