Home / 813,238.00-1,122,271.07-450,667.82

Finding the Fourth Proportional to 813,238.00, 1,122,271.07 and 450,667.82

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Solution

The fourth proportional to 813,238.00, 1,122,271.07 and 450,667.82 is: 621,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,238.00 : 1,122,271.07 = 450,667.82 : x
  2. Step 2: Convert to fraction form
    813,238.00/1,122,271.07 = 450,667.82/x
  3. Step 3: Cross multiply
    813,238.00x = 1,122,271.07 × 450,667.82
  4. Step 4: Simplify right side
    813,238.00x = 505,771,457,118.31
  5. Step 5: Solve for x
    x = 505,771,457,118.31/813,238.00
  6. Step 6: Final answer
    x = 621,923.05

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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.