Home / 646,653.06-892,072.16-502,426.08

Finding the Fourth Proportional to 646,653.06, 892,072.16 and 502,426.08

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Solution

The fourth proportional to 646,653.06, 892,072.16 and 502,426.08 is: 693,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,653.06 : 892,072.16 = 502,426.08 : x
  2. Step 2: Convert to fraction form
    646,653.06/892,072.16 = 502,426.08/x
  3. Step 3: Cross multiply
    646,653.06x = 892,072.16 × 502,426.08
  4. Step 4: Simplify right side
    646,653.06x = 448,200,318,425.93
  5. Step 5: Solve for x
    x = 448,200,318,425.93/646,653.06
  6. Step 6: Final answer
    x = 693,107.86

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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.