Home / 525,030.30-724,239.88-331,369.18

Finding the Fourth Proportional to 525,030.30, 724,239.88 and 331,369.18

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Solution

The fourth proportional to 525,030.30, 724,239.88 and 331,369.18 is: 457,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,030.30 : 724,239.88 = 331,369.18 : x
  2. Step 2: Convert to fraction form
    525,030.30/724,239.88 = 331,369.18/x
  3. Step 3: Cross multiply
    525,030.30x = 724,239.88 × 331,369.18
  4. Step 4: Simplify right side
    525,030.30x = 239,990,772,519.88
  5. Step 5: Solve for x
    x = 239,990,772,519.88/525,030.30
  6. Step 6: Final answer
    x = 457,098.90

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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.