Home / 890,065.36-1,335,180.12-291,029.59

Finding the Fourth Proportional to 890,065.36, 1,335,180.12 and 291,029.59

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Solution

The fourth proportional to 890,065.36, 1,335,180.12 and 291,029.59 is: 436,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,065.36 : 1,335,180.12 = 291,029.59 : x
  2. Step 2: Convert to fraction form
    890,065.36/1,335,180.12 = 291,029.59/x
  3. Step 3: Cross multiply
    890,065.36x = 1,335,180.12 × 291,029.59
  4. Step 4: Simplify right side
    890,065.36x = 388,576,922,899.75
  5. Step 5: Solve for x
    x = 388,576,922,899.75/890,065.36
  6. Step 6: Final answer
    x = 436,571.22

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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.