Home / 730,059.90-1,007,471.94-407,774.70

Finding the Fourth Proportional to 730,059.90, 1,007,471.94 and 407,774.70

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Solution

The fourth proportional to 730,059.90, 1,007,471.94 and 407,774.70 is: 562,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,059.90 : 1,007,471.94 = 407,774.70 : x
  2. Step 2: Convert to fraction form
    730,059.90/1,007,471.94 = 407,774.70/x
  3. Step 3: Cross multiply
    730,059.90x = 1,007,471.94 × 407,774.70
  4. Step 4: Simplify right side
    730,059.90x = 410,821,568,091.92
  5. Step 5: Solve for x
    x = 410,821,568,091.92/730,059.90
  6. Step 6: Final answer
    x = 562,723.10

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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.