Home / 915,582.21-1,263,451.95-507,659.73

Finding the Fourth Proportional to 915,582.21, 1,263,451.95 and 507,659.73

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Solution

The fourth proportional to 915,582.21, 1,263,451.95 and 507,659.73 is: 700,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,582.21 : 1,263,451.95 = 507,659.73 : x
  2. Step 2: Convert to fraction form
    915,582.21/1,263,451.95 = 507,659.73/x
  3. Step 3: Cross multiply
    915,582.21x = 1,263,451.95 × 507,659.73
  4. Step 4: Simplify right side
    915,582.21x = 641,403,675,804.97
  5. Step 5: Solve for x
    x = 641,403,675,804.97/915,582.21
  6. Step 6: Final answer
    x = 700,541.87

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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.