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Finding the Fourth Proportional to 650,381.58, 897,503.69 and 359,993.72

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Solution

The fourth proportional to 650,381.58, 897,503.69 and 359,993.72 is: 496,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,381.58 : 897,503.69 = 359,993.72 : x
  2. Step 2: Convert to fraction form
    650,381.58/897,503.69 = 359,993.72/x
  3. Step 3: Cross multiply
    650,381.58x = 897,503.69 × 359,993.72
  4. Step 4: Simplify right side
    650,381.58x = 323,095,688,489.29
  5. Step 5: Solve for x
    x = 323,095,688,489.29/650,381.58
  6. Step 6: Final answer
    x = 496,778.66

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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.