Home / 887,086.89-1,330,630.19-213,168.20

Finding the Fourth Proportional to 887,086.89, 1,330,630.19 and 213,168.20

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Solution

The fourth proportional to 887,086.89, 1,330,630.19 and 213,168.20 is: 319,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,086.89 : 1,330,630.19 = 213,168.20 : x
  2. Step 2: Convert to fraction form
    887,086.89/1,330,630.19 = 213,168.20/x
  3. Step 3: Cross multiply
    887,086.89x = 1,330,630.19 × 213,168.20
  4. Step 4: Simplify right side
    887,086.89x = 283,648,035,548.35
  5. Step 5: Solve for x
    x = 283,648,035,548.35/887,086.89
  6. Step 6: Final answer
    x = 319,752.26

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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.