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Finding the Fourth Proportional to 534,370.77, 737,432.81 and 289,358.22

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Solution

The fourth proportional to 534,370.77, 737,432.81 and 289,358.22 is: 399,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,370.77 : 737,432.81 = 289,358.22 : x
  2. Step 2: Convert to fraction form
    534,370.77/737,432.81 = 289,358.22/x
  3. Step 3: Cross multiply
    534,370.77x = 737,432.81 × 289,358.22
  4. Step 4: Simplify right side
    534,370.77x = 213,382,247,674.87
  5. Step 5: Solve for x
    x = 213,382,247,674.87/534,370.77
  6. Step 6: Final answer
    x = 399,314.97

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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.