Home / 772,948.82-1,157,590.60-612,508.88

Finding the Fourth Proportional to 772,948.82, 1,157,590.60 and 612,508.88

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Solution

The fourth proportional to 772,948.82, 1,157,590.60 and 612,508.88 is: 917,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,948.82 : 1,157,590.60 = 612,508.88 : x
  2. Step 2: Convert to fraction form
    772,948.82/1,157,590.60 = 612,508.88/x
  3. Step 3: Cross multiply
    772,948.82x = 1,157,590.60 × 612,508.88
  4. Step 4: Simplify right side
    772,948.82x = 709,034,521,904.53
  5. Step 5: Solve for x
    x = 709,034,521,904.53/772,948.82
  6. Step 6: Final answer
    x = 917,311.09

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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.