Home / 758,579.22-1,047,047.94-471,928.32

Finding the Fourth Proportional to 758,579.22, 1,047,047.94 and 471,928.32

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Solution

The fourth proportional to 758,579.22, 1,047,047.94 and 471,928.32 is: 651,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,579.22 : 1,047,047.94 = 471,928.32 : x
  2. Step 2: Convert to fraction form
    758,579.22/1,047,047.94 = 471,928.32/x
  3. Step 3: Cross multiply
    758,579.22x = 1,047,047.94 × 471,928.32
  4. Step 4: Simplify right side
    758,579.22x = 494,131,575,283.66
  5. Step 5: Solve for x
    x = 494,131,575,283.66/758,579.22
  6. Step 6: Final answer
    x = 651,390.87

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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.