Home / 820,141.30-1,230,211.95-731,567.80

Finding the Fourth Proportional to 820,141.30, 1,230,211.95 and 731,567.80

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Solution

The fourth proportional to 820,141.30, 1,230,211.95 and 731,567.80 is: 1,097,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,141.30 : 1,230,211.95 = 731,567.80 : x
  2. Step 2: Convert to fraction form
    820,141.30/1,230,211.95 = 731,567.80/x
  3. Step 3: Cross multiply
    820,141.30x = 1,230,211.95 × 731,567.80
  4. Step 4: Simplify right side
    820,141.30x = 899,983,449,795.21
  5. Step 5: Solve for x
    x = 899,983,449,795.21/820,141.30
  6. Step 6: Final answer
    x = 1,097,351.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.