Home / 887,188.14-1,331,729.51-381,999.24

Finding the Fourth Proportional to 887,188.14, 1,331,729.51 and 381,999.24

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Solution

The fourth proportional to 887,188.14, 1,331,729.51 and 381,999.24 is: 573,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,188.14 : 1,331,729.51 = 381,999.24 : x
  2. Step 2: Convert to fraction form
    887,188.14/1,331,729.51 = 381,999.24/x
  3. Step 3: Cross multiply
    887,188.14x = 1,331,729.51 × 381,999.24
  4. Step 4: Simplify right side
    887,188.14x = 508,719,658,795.58
  5. Step 5: Solve for x
    x = 508,719,658,795.58/887,188.14
  6. Step 6: Final answer
    x = 573,406.74

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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.