Home / 743,160.06-1,025,585.10-420,863.22

Finding the Fourth Proportional to 743,160.06, 1,025,585.10 and 420,863.22

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Solution

The fourth proportional to 743,160.06, 1,025,585.10 and 420,863.22 is: 580,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,160.06 : 1,025,585.10 = 420,863.22 : x
  2. Step 2: Convert to fraction form
    743,160.06/1,025,585.10 = 420,863.22/x
  3. Step 3: Cross multiply
    743,160.06x = 1,025,585.10 × 420,863.22
  4. Step 4: Simplify right side
    743,160.06x = 431,631,047,570.02
  5. Step 5: Solve for x
    x = 431,631,047,570.02/743,160.06
  6. Step 6: Final answer
    x = 580,804.96

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1.5x scale

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.