Home / 892,445.80-1,336,700.40-536,839.60

Finding the Fourth Proportional to 892,445.80, 1,336,700.40 and 536,839.60

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Solution

The fourth proportional to 892,445.80, 1,336,700.40 and 536,839.60 is: 804,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,445.80 : 1,336,700.40 = 536,839.60 : x
  2. Step 2: Convert to fraction form
    892,445.80/1,336,700.40 = 536,839.60/x
  3. Step 3: Cross multiply
    892,445.80x = 1,336,700.40 × 536,839.60
  4. Step 4: Simplify right side
    892,445.80x = 717,593,708,055.84
  5. Step 5: Solve for x
    x = 717,593,708,055.84/892,445.80
  6. Step 6: Final answer
    x = 804,075.39

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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.