Home / 638,232.85-880,749.93-347,847.04

Finding the Fourth Proportional to 638,232.85, 880,749.93 and 347,847.04

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Solution

The fourth proportional to 638,232.85, 880,749.93 and 347,847.04 is: 480,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,232.85 : 880,749.93 = 347,847.04 : x
  2. Step 2: Convert to fraction form
    638,232.85/880,749.93 = 347,847.04/x
  3. Step 3: Cross multiply
    638,232.85x = 880,749.93 × 347,847.04
  4. Step 4: Simplify right side
    638,232.85x = 306,366,256,130.71
  5. Step 5: Solve for x
    x = 306,366,256,130.71/638,232.85
  6. Step 6: Final answer
    x = 480,022.70

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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.