Home / 853,740.54-1,178,178.84-466,579.91

Finding the Fourth Proportional to 853,740.54, 1,178,178.84 and 466,579.91

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Solution

The fourth proportional to 853,740.54, 1,178,178.84 and 466,579.91 is: 643,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,740.54 : 1,178,178.84 = 466,579.91 : x
  2. Step 2: Convert to fraction form
    853,740.54/1,178,178.84 = 466,579.91/x
  3. Step 3: Cross multiply
    853,740.54x = 1,178,178.84 × 466,579.91
  4. Step 4: Simplify right side
    853,740.54x = 549,714,580,076.55
  5. Step 5: Solve for x
    x = 549,714,580,076.55/853,740.54
  6. Step 6: Final answer
    x = 643,889.51

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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.