Home / 990,946.41-1,367,507.41-538,237.41

Finding the Fourth Proportional to 990,946.41, 1,367,507.41 and 538,237.41

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Solution

The fourth proportional to 990,946.41, 1,367,507.41 and 538,237.41 is: 742,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,946.41 : 1,367,507.41 = 538,237.41 : x
  2. Step 2: Convert to fraction form
    990,946.41/1,367,507.41 = 538,237.41/x
  3. Step 3: Cross multiply
    990,946.41x = 1,367,507.41 × 538,237.41
  4. Step 4: Simplify right side
    990,946.41x = 736,043,640,040.46
  5. Step 5: Solve for x
    x = 736,043,640,040.46/990,946.41
  6. Step 6: Final answer
    x = 742,768.36

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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.