Home / 887,087.13-1,330,630.54-213,168.43

Finding the Fourth Proportional to 887,087.13, 1,330,630.54 and 213,168.43

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Solution

The fourth proportional to 887,087.13, 1,330,630.54 and 213,168.43 is: 319,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,087.13 : 1,330,630.54 = 213,168.43 : x
  2. Step 2: Convert to fraction form
    887,087.13/1,330,630.54 = 213,168.43/x
  3. Step 3: Cross multiply
    887,087.13x = 1,330,630.54 × 213,168.43
  4. Step 4: Simplify right side
    887,087.13x = 283,648,417,966.50
  5. Step 5: Solve for x
    x = 283,648,417,966.50/887,087.13
  6. Step 6: Final answer
    x = 319,752.60

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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.