Home / 855,576.95-1,180,801.72-488,144.55

Finding the Fourth Proportional to 855,576.95, 1,180,801.72 and 488,144.55

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Solution

The fourth proportional to 855,576.95, 1,180,801.72 and 488,144.55 is: 673,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,576.95 : 1,180,801.72 = 488,144.55 : x
  2. Step 2: Convert to fraction form
    855,576.95/1,180,801.72 = 488,144.55/x
  3. Step 3: Cross multiply
    855,576.95x = 1,180,801.72 × 488,144.55
  4. Step 4: Simplify right side
    855,576.95x = 576,401,924,248.63
  5. Step 5: Solve for x
    x = 576,401,924,248.63/855,576.95
  6. Step 6: Final answer
    x = 673,699.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.