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Finding the Fourth Proportional to 553,612.57, 759,002.75 and 543,523.52

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Solution

The fourth proportional to 553,612.57, 759,002.75 and 543,523.52 is: 745,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,612.57 : 759,002.75 = 543,523.52 : x
  2. Step 2: Convert to fraction form
    553,612.57/759,002.75 = 543,523.52/x
  3. Step 3: Cross multiply
    553,612.57x = 759,002.75 × 543,523.52
  4. Step 4: Simplify right side
    553,612.57x = 412,535,846,375.71
  5. Step 5: Solve for x
    x = 412,535,846,375.71/553,612.57
  6. Step 6: Final answer
    x = 745,170.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.