Home / 892,400.94-1,338,317.64-293,223.42

Finding the Fourth Proportional to 892,400.94, 1,338,317.64 and 293,223.42

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Solution

The fourth proportional to 892,400.94, 1,338,317.64 and 293,223.42 is: 439,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,400.94 : 1,338,317.64 = 293,223.42 : x
  2. Step 2: Convert to fraction form
    892,400.94/1,338,317.64 = 293,223.42/x
  3. Step 3: Cross multiply
    892,400.94x = 1,338,317.64 × 293,223.42
  4. Step 4: Simplify right side
    892,400.94x = 392,426,075,447.13
  5. Step 5: Solve for x
    x = 392,426,075,447.13/892,400.94
  6. Step 6: Final answer
    x = 439,741.89

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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.