Home / 869,597.30-1,304,485.32-300,977.47

Finding the Fourth Proportional to 869,597.30, 1,304,485.32 and 300,977.47

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Solution

The fourth proportional to 869,597.30, 1,304,485.32 and 300,977.47 is: 451,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,597.30 : 1,304,485.32 = 300,977.47 : x
  2. Step 2: Convert to fraction form
    869,597.30/1,304,485.32 = 300,977.47/x
  3. Step 3: Cross multiply
    869,597.30x = 1,304,485.32 × 300,977.47
  4. Step 4: Simplify right side
    869,597.30x = 392,620,691,265.74
  5. Step 5: Solve for x
    x = 392,620,691,265.74/869,597.30
  6. Step 6: Final answer
    x = 451,497.14

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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.