Home / 807,763.98-1,211,870.46-352,395.02

Finding the Fourth Proportional to 807,763.98, 1,211,870.46 and 352,395.02

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Solution

The fourth proportional to 807,763.98, 1,211,870.46 and 352,395.02 is: 528,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,763.98 : 1,211,870.46 = 352,395.02 : x
  2. Step 2: Convert to fraction form
    807,763.98/1,211,870.46 = 352,395.02/x
  3. Step 3: Cross multiply
    807,763.98x = 1,211,870.46 × 352,395.02
  4. Step 4: Simplify right side
    807,763.98x = 427,057,114,989.11
  5. Step 5: Solve for x
    x = 427,057,114,989.11/807,763.98
  6. Step 6: Final answer
    x = 528,690.47

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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.