Home / 887,936.80-1,330,374.30-413,649.40

Finding the Fourth Proportional to 887,936.80, 1,330,374.30 and 413,649.40

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Solution

The fourth proportional to 887,936.80, 1,330,374.30 and 413,649.40 is: 619,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,936.80 : 1,330,374.30 = 413,649.40 : x
  2. Step 2: Convert to fraction form
    887,936.80/1,330,374.30 = 413,649.40/x
  3. Step 3: Cross multiply
    887,936.80x = 1,330,374.30 × 413,649.40
  4. Step 4: Simplify right side
    887,936.80x = 550,308,530,970.42
  5. Step 5: Solve for x
    x = 550,308,530,970.42/887,936.80
  6. Step 6: Final answer
    x = 619,760.92

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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.