Home / 570,618.72-787,452.63-328,899.66

Finding the Fourth Proportional to 570,618.72, 787,452.63 and 328,899.66

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Solution

The fourth proportional to 570,618.72, 787,452.63 and 328,899.66 is: 453,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,618.72 : 787,452.63 = 328,899.66 : x
  2. Step 2: Convert to fraction form
    570,618.72/787,452.63 = 328,899.66/x
  3. Step 3: Cross multiply
    570,618.72x = 787,452.63 × 328,899.66
  4. Step 4: Simplify right side
    570,618.72x = 258,992,902,273.11
  5. Step 5: Solve for x
    x = 258,992,902,273.11/570,618.72
  6. Step 6: Final answer
    x = 453,880.84

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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.