Home / 933,429.28-1,400,217.60-459,856.32

Finding the Fourth Proportional to 933,429.28, 1,400,217.60 and 459,856.32

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Solution

The fourth proportional to 933,429.28, 1,400,217.60 and 459,856.32 is: 689,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,429.28 : 1,400,217.60 = 459,856.32 : x
  2. Step 2: Convert to fraction form
    933,429.28/1,400,217.60 = 459,856.32/x
  3. Step 3: Cross multiply
    933,429.28x = 1,400,217.60 × 459,856.32
  4. Step 4: Simplify right side
    933,429.28x = 643,898,912,735.23
  5. Step 5: Solve for x
    x = 643,898,912,735.23/933,429.28
  6. Step 6: Final answer
    x = 689,820.78

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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.