Home / 869,566.98-1,304,439.95-300,947.08

Finding the Fourth Proportional to 869,566.98, 1,304,439.95 and 300,947.08

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Solution

The fourth proportional to 869,566.98, 1,304,439.95 and 300,947.08 is: 451,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,566.98 : 1,304,439.95 = 300,947.08 : x
  2. Step 2: Convert to fraction form
    869,566.98/1,304,439.95 = 300,947.08/x
  3. Step 3: Cross multiply
    869,566.98x = 1,304,439.95 × 300,947.08
  4. Step 4: Simplify right side
    869,566.98x = 392,567,392,483.11
  5. Step 5: Solve for x
    x = 392,567,392,483.11/869,566.98
  6. Step 6: Final answer
    x = 451,451.59

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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.