Home / 744,110.28-1,026,870.78-404,577.72

Finding the Fourth Proportional to 744,110.28, 1,026,870.78 and 404,577.72

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Solution

The fourth proportional to 744,110.28, 1,026,870.78 and 404,577.72 is: 558,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,110.28 : 1,026,870.78 = 404,577.72 : x
  2. Step 2: Convert to fraction form
    744,110.28/1,026,870.78 = 404,577.72/x
  3. Step 3: Cross multiply
    744,110.28x = 1,026,870.78 × 404,577.72
  4. Step 4: Simplify right side
    744,110.28x = 415,449,038,907.02
  5. Step 5: Solve for x
    x = 415,449,038,907.02/744,110.28
  6. Step 6: Final answer
    x = 558,316.49

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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.