Home / 915,564.88-1,263,344.34-507,669.69

Finding the Fourth Proportional to 915,564.88, 1,263,344.34 and 507,669.69

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Solution

The fourth proportional to 915,564.88, 1,263,344.34 and 507,669.69 is: 700,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,564.88 : 1,263,344.34 = 507,669.69 : x
  2. Step 2: Convert to fraction form
    915,564.88/1,263,344.34 = 507,669.69/x
  3. Step 3: Cross multiply
    915,564.88x = 1,263,344.34 × 507,669.69
  4. Step 4: Simplify right side
    915,564.88x = 641,361,629,451.06
  5. Step 5: Solve for x
    x = 641,361,629,451.06/915,564.88
  6. Step 6: Final answer
    x = 700,509.21

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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.