Home / 384,531.92-530,903.64-344,175.60

Finding the Fourth Proportional to 384,531.92, 530,903.64 and 344,175.60

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Solution

The fourth proportional to 384,531.92, 530,903.64 and 344,175.60 is: 475,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,531.92 : 530,903.64 = 344,175.60 : x
  2. Step 2: Convert to fraction form
    384,531.92/530,903.64 = 344,175.60/x
  3. Step 3: Cross multiply
    384,531.92x = 530,903.64 × 344,175.60
  4. Step 4: Simplify right side
    384,531.92x = 182,724,078,839.18
  5. Step 5: Solve for x
    x = 182,724,078,839.18/384,531.92
  6. Step 6: Final answer
    x = 475,185.72

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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.