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Finding the Fourth Proportional to 543,033.60, 749,384.64 and 301,352.64

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Solution

The fourth proportional to 543,033.60, 749,384.64 and 301,352.64 is: 415,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,033.60 : 749,384.64 = 301,352.64 : x
  2. Step 2: Convert to fraction form
    543,033.60/749,384.64 = 301,352.64/x
  3. Step 3: Cross multiply
    543,033.60x = 749,384.64 × 301,352.64
  4. Step 4: Simplify right side
    543,033.60x = 225,829,039,639.45
  5. Step 5: Solve for x
    x = 225,829,039,639.45/543,033.60
  6. Step 6: Final answer
    x = 415,865.68

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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.