Home / 885,759.75-1,328,850.36-286,721.01

Finding the Fourth Proportional to 885,759.75, 1,328,850.36 and 286,721.01

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Solution

The fourth proportional to 885,759.75, 1,328,850.36 and 286,721.01 is: 430,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,759.75 : 1,328,850.36 = 286,721.01 : x
  2. Step 2: Convert to fraction form
    885,759.75/1,328,850.36 = 286,721.01/x
  3. Step 3: Cross multiply
    885,759.75x = 1,328,850.36 × 286,721.01
  4. Step 4: Simplify right side
    885,759.75x = 381,009,317,358.06
  5. Step 5: Solve for x
    x = 381,009,317,358.06/885,759.75
  6. Step 6: Final answer
    x = 430,149.73

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1.5x scale

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.