Home / 782,057.32-1,079,235.30-424,361.32

Finding the Fourth Proportional to 782,057.32, 1,079,235.30 and 424,361.32

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Solution

The fourth proportional to 782,057.32, 1,079,235.30 and 424,361.32 is: 585,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,057.32 : 1,079,235.30 = 424,361.32 : x
  2. Step 2: Convert to fraction form
    782,057.32/1,079,235.30 = 424,361.32/x
  3. Step 3: Cross multiply
    782,057.32x = 1,079,235.30 × 424,361.32
  4. Step 4: Simplify right side
    782,057.32x = 457,985,716,498.60
  5. Step 5: Solve for x
    x = 457,985,716,498.60/782,057.32
  6. Step 6: Final answer
    x = 585,616.56

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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.