Home / 525,310.62-724,931.58-298,956.12

Finding the Fourth Proportional to 525,310.62, 724,931.58 and 298,956.12

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Solution

The fourth proportional to 525,310.62, 724,931.58 and 298,956.12 is: 412,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,310.62 : 724,931.58 = 298,956.12 : x
  2. Step 2: Convert to fraction form
    525,310.62/724,931.58 = 298,956.12/x
  3. Step 3: Cross multiply
    525,310.62x = 724,931.58 × 298,956.12
  4. Step 4: Simplify right side
    525,310.62x = 216,722,732,422.27
  5. Step 5: Solve for x
    x = 216,722,732,422.27/525,310.62
  6. Step 6: Final answer
    x = 412,561.11

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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.