Home / 915,896.63-1,263,110.42-571,764.29

Finding the Fourth Proportional to 915,896.63, 1,263,110.42 and 571,764.29

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Solution

The fourth proportional to 915,896.63, 1,263,110.42 and 571,764.29 is: 788,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,896.63 : 1,263,110.42 = 571,764.29 : x
  2. Step 2: Convert to fraction form
    915,896.63/1,263,110.42 = 571,764.29/x
  3. Step 3: Cross multiply
    915,896.63x = 1,263,110.42 × 571,764.29
  4. Step 4: Simplify right side
    915,896.63x = 722,201,427,596.76
  5. Step 5: Solve for x
    x = 722,201,427,596.76/915,896.63
  6. Step 6: Final answer
    x = 788,518.49

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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.