Home / 741,312-1,023,004.80-401,771.52

Finding the Fourth Proportional to 741,312, 1,023,004.80 and 401,771.52

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Solution

The fourth proportional to 741,312, 1,023,004.80 and 401,771.52 is: 554,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,312 : 1,023,004.80 = 401,771.52 : x
  2. Step 2: Convert to fraction form
    741,312/1,023,004.80 = 401,771.52/x
  3. Step 3: Cross multiply
    741,312x = 1,023,004.80 × 401,771.52
  4. Step 4: Simplify right side
    741,312x = 411,014,193,463.30
  5. Step 5: Solve for x
    x = 411,014,193,463.30/741,312
  6. Step 6: Final answer
    x = 554,441.58

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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.