Home / 718,769.41-1,078,302.86-292,305.25

Finding the Fourth Proportional to 718,769.41, 1,078,302.86 and 292,305.25

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Solution

The fourth proportional to 718,769.41, 1,078,302.86 and 292,305.25 is: 438,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,769.41 : 1,078,302.86 = 292,305.25 : x
  2. Step 2: Convert to fraction form
    718,769.41/1,078,302.86 = 292,305.25/x
  3. Step 3: Cross multiply
    718,769.41x = 1,078,302.86 × 292,305.25
  4. Step 4: Simplify right side
    718,769.41x = 315,193,585,606.49
  5. Step 5: Solve for x
    x = 315,193,585,606.49/718,769.41
  6. Step 6: Final answer
    x = 438,518.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.