Home / 807,529.40-1,211,294.10-801,999.80

Finding the Fourth Proportional to 807,529.40, 1,211,294.10 and 801,999.80

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Solution

The fourth proportional to 807,529.40, 1,211,294.10 and 801,999.80 is: 1,202,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,529.40 : 1,211,294.10 = 801,999.80 : x
  2. Step 2: Convert to fraction form
    807,529.40/1,211,294.10 = 801,999.80/x
  3. Step 3: Cross multiply
    807,529.40x = 1,211,294.10 × 801,999.80
  4. Step 4: Simplify right side
    807,529.40x = 971,457,625,941.18
  5. Step 5: Solve for x
    x = 971,457,625,941.18/807,529.40
  6. Step 6: Final answer
    x = 1,202,999.70

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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.