Home / 915,753.06-1,263,739.20-507,917.34

Finding the Fourth Proportional to 915,753.06, 1,263,739.20 and 507,917.34

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Solution

The fourth proportional to 915,753.06, 1,263,739.20 and 507,917.34 is: 700,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,753.06 : 1,263,739.20 = 507,917.34 : x
  2. Step 2: Convert to fraction form
    915,753.06/1,263,739.20 = 507,917.34/x
  3. Step 3: Cross multiply
    915,753.06x = 1,263,739.20 × 507,917.34
  4. Step 4: Simplify right side
    915,753.06x = 641,875,052,917.73
  5. Step 5: Solve for x
    x = 641,875,052,917.73/915,753.06
  6. Step 6: Final answer
    x = 700,925.92

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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.