Home / 820,967.53-1,132,311.73-706,438.10

Finding the Fourth Proportional to 820,967.53, 1,132,311.73 and 706,438.10

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Solution

The fourth proportional to 820,967.53, 1,132,311.73 and 706,438.10 is: 974,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,967.53 : 1,132,311.73 = 706,438.10 : x
  2. Step 2: Convert to fraction form
    820,967.53/1,132,311.73 = 706,438.10/x
  3. Step 3: Cross multiply
    820,967.53x = 1,132,311.73 × 706,438.10
  4. Step 4: Simplify right side
    820,967.53x = 799,908,147,148.91
  5. Step 5: Solve for x
    x = 799,908,147,148.91/820,967.53
  6. Step 6: Final answer
    x = 974,348.09

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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.