Home / 748,170.26-1,032,474.96-408,639.32

Finding the Fourth Proportional to 748,170.26, 1,032,474.96 and 408,639.32

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Solution

The fourth proportional to 748,170.26, 1,032,474.96 and 408,639.32 is: 563,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,170.26 : 1,032,474.96 = 408,639.32 : x
  2. Step 2: Convert to fraction form
    748,170.26/1,032,474.96 = 408,639.32/x
  3. Step 3: Cross multiply
    748,170.26x = 1,032,474.96 × 408,639.32
  4. Step 4: Simplify right side
    748,170.26x = 421,909,865,571.43
  5. Step 5: Solve for x
    x = 421,909,865,571.43/748,170.26
  6. Step 6: Final answer
    x = 563,922.26

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Double scale
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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.