Home / 887,952.80-1,225,338.72-505,947.20

Finding the Fourth Proportional to 887,952.80, 1,225,338.72 and 505,947.20

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Solution

The fourth proportional to 887,952.80, 1,225,338.72 and 505,947.20 is: 698,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,952.80 : 1,225,338.72 = 505,947.20 : x
  2. Step 2: Convert to fraction form
    887,952.80/1,225,338.72 = 505,947.20/x
  3. Step 3: Cross multiply
    887,952.80x = 1,225,338.72 × 505,947.20
  4. Step 4: Simplify right side
    887,952.80x = 619,956,694,435.58
  5. Step 5: Solve for x
    x = 619,956,694,435.58/887,952.80
  6. Step 6: Final answer
    x = 698,186.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.