Home / 601,005.18-829,949.98-386,518.80

Finding the Fourth Proportional to 601,005.18, 829,949.98 and 386,518.80

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Solution

The fourth proportional to 601,005.18, 829,949.98 and 386,518.80 is: 533,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,005.18 : 829,949.98 = 386,518.80 : x
  2. Step 2: Convert to fraction form
    601,005.18/829,949.98 = 386,518.80/x
  3. Step 3: Cross multiply
    601,005.18x = 829,949.98 × 386,518.80
  4. Step 4: Simplify right side
    601,005.18x = 320,791,270,329.62
  5. Step 5: Solve for x
    x = 320,791,270,329.62/601,005.18
  6. Step 6: Final answer
    x = 533,757.91

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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.