Home / 860,769.36-1,289,657.72-604,057.44

Finding the Fourth Proportional to 860,769.36, 1,289,657.72 and 604,057.44

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Solution

The fourth proportional to 860,769.36, 1,289,657.72 and 604,057.44 is: 905,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,769.36 : 1,289,657.72 = 604,057.44 : x
  2. Step 2: Convert to fraction form
    860,769.36/1,289,657.72 = 604,057.44/x
  3. Step 3: Cross multiply
    860,769.36x = 1,289,657.72 × 604,057.44
  4. Step 4: Simplify right side
    860,769.36x = 779,027,340,819.44
  5. Step 5: Solve for x
    x = 779,027,340,819.44/860,769.36
  6. Step 6: Final answer
    x = 905,036.10

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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.