Home / 915,608.12-1,263,554.33-507,727.17

Finding the Fourth Proportional to 915,608.12, 1,263,554.33 and 507,727.17

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Solution

The fourth proportional to 915,608.12, 1,263,554.33 and 507,727.17 is: 700,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,608.12 : 1,263,554.33 = 507,727.17 : x
  2. Step 2: Convert to fraction form
    915,608.12/1,263,554.33 = 507,727.17/x
  3. Step 3: Cross multiply
    915,608.12x = 1,263,554.33 × 507,727.17
  4. Step 4: Simplify right side
    915,608.12x = 641,540,861,573.51
  5. Step 5: Solve for x
    x = 641,540,861,573.51/915,608.12
  6. Step 6: Final answer
    x = 700,671.88

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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.