Home / 915,617.52-1,263,567.30-507,736.56

Finding the Fourth Proportional to 915,617.52, 1,263,567.30 and 507,736.56

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Solution

The fourth proportional to 915,617.52, 1,263,567.30 and 507,736.56 is: 700,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,617.52 : 1,263,567.30 = 507,736.56 : x
  2. Step 2: Convert to fraction form
    915,617.52/1,263,567.30 = 507,736.56/x
  3. Step 3: Cross multiply
    915,617.52x = 1,263,567.30 × 507,736.56
  4. Step 4: Simplify right side
    915,617.52x = 641,559,314,230.49
  5. Step 5: Solve for x
    x = 641,559,314,230.49/915,617.52
  6. Step 6: Final answer
    x = 700,684.84

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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.