Home / 900,556.55-1,243,137.76-610,565.30

Finding the Fourth Proportional to 900,556.55, 1,243,137.76 and 610,565.30

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Solution

The fourth proportional to 900,556.55, 1,243,137.76 and 610,565.30 is: 842,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,556.55 : 1,243,137.76 = 610,565.30 : x
  2. Step 2: Convert to fraction form
    900,556.55/1,243,137.76 = 610,565.30/x
  3. Step 3: Cross multiply
    900,556.55x = 1,243,137.76 × 610,565.30
  4. Step 4: Simplify right side
    900,556.55x = 759,016,779,375.73
  5. Step 5: Solve for x
    x = 759,016,779,375.73/900,556.55
  6. Step 6: Final answer
    x = 842,830.78

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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.