Home / 525,013.94-724,132.46-395,957.80

Finding the Fourth Proportional to 525,013.94, 724,132.46 and 395,957.80

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Solution

The fourth proportional to 525,013.94, 724,132.46 and 395,957.80 is: 546,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,013.94 : 724,132.46 = 395,957.80 : x
  2. Step 2: Convert to fraction form
    525,013.94/724,132.46 = 395,957.80/x
  3. Step 3: Cross multiply
    525,013.94x = 724,132.46 × 395,957.80
  4. Step 4: Simplify right side
    525,013.94x = 286,725,895,770.19
  5. Step 5: Solve for x
    x = 286,725,895,770.19/525,013.94
  6. Step 6: Final answer
    x = 546,130.06

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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.