Home / 938,106.23-1,294,587.71-508,386.36

Finding the Fourth Proportional to 938,106.23, 1,294,587.71 and 508,386.36

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Solution

The fourth proportional to 938,106.23, 1,294,587.71 and 508,386.36 is: 701,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,106.23 : 1,294,587.71 = 508,386.36 : x
  2. Step 2: Convert to fraction form
    938,106.23/1,294,587.71 = 508,386.36/x
  3. Step 3: Cross multiply
    938,106.23x = 1,294,587.71 × 508,386.36
  4. Step 4: Simplify right side
    938,106.23x = 658,150,729,427.47
  5. Step 5: Solve for x
    x = 658,150,729,427.47/938,106.23
  6. Step 6: Final answer
    x = 701,573.78

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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.