Home / 646,653.48-892,382.04-374,878.92

Finding the Fourth Proportional to 646,653.48, 892,382.04 and 374,878.92

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Solution

The fourth proportional to 646,653.48, 892,382.04 and 374,878.92 is: 517,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,653.48 : 892,382.04 = 374,878.92 : x
  2. Step 2: Convert to fraction form
    646,653.48/892,382.04 = 374,878.92/x
  3. Step 3: Cross multiply
    646,653.48x = 892,382.04 × 374,878.92
  4. Step 4: Simplify right side
    646,653.48x = 334,535,218,729.03
  5. Step 5: Solve for x
    x = 334,535,218,729.03/646,653.48
  6. Step 6: Final answer
    x = 517,333.06

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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.