Home / 887,170.81-1,331,137.58-288,315.54

Finding the Fourth Proportional to 887,170.81, 1,331,137.58 and 288,315.54

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Solution

The fourth proportional to 887,170.81, 1,331,137.58 and 288,315.54 is: 432,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,170.81 : 1,331,137.58 = 288,315.54 : x
  2. Step 2: Convert to fraction form
    887,170.81/1,331,137.58 = 288,315.54/x
  3. Step 3: Cross multiply
    887,170.81x = 1,331,137.58 × 288,315.54
  4. Step 4: Simplify right side
    887,170.81x = 383,787,650,191.99
  5. Step 5: Solve for x
    x = 383,787,650,191.99/887,170.81
  6. Step 6: Final answer
    x = 432,597.25

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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.