Home / 887,628.35-1,330,786.43-488,719.55

Finding the Fourth Proportional to 887,628.35, 1,330,786.43 and 488,719.55

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Solution

The fourth proportional to 887,628.35, 1,330,786.43 and 488,719.55 is: 732,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,628.35 : 1,330,786.43 = 488,719.55 : x
  2. Step 2: Convert to fraction form
    887,628.35/1,330,786.43 = 488,719.55/x
  3. Step 3: Cross multiply
    887,628.35x = 1,330,786.43 × 488,719.55
  4. Step 4: Simplify right side
    887,628.35x = 650,381,342,772.11
  5. Step 5: Solve for x
    x = 650,381,342,772.11/887,628.35
  6. Step 6: Final answer
    x = 732,718.08

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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.