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Finding the Fourth Proportional to 522,381.83, 783,319.61 and 306,299.63

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Solution

The fourth proportional to 522,381.83, 783,319.61 and 306,299.63 is: 459,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,381.83 : 783,319.61 = 306,299.63 : x
  2. Step 2: Convert to fraction form
    522,381.83/783,319.61 = 306,299.63/x
  3. Step 3: Cross multiply
    522,381.83x = 783,319.61 × 306,299.63
  4. Step 4: Simplify right side
    522,381.83x = 239,930,509,438.79
  5. Step 5: Solve for x
    x = 239,930,509,438.79/522,381.83
  6. Step 6: Final answer
    x = 459,301.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.