Home / 727,758.88-1,004,314.11-401,083.82

Finding the Fourth Proportional to 727,758.88, 1,004,314.11 and 401,083.82

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Solution

The fourth proportional to 727,758.88, 1,004,314.11 and 401,083.82 is: 553,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,758.88 : 1,004,314.11 = 401,083.82 : x
  2. Step 2: Convert to fraction form
    727,758.88/1,004,314.11 = 401,083.82/x
  3. Step 3: Cross multiply
    727,758.88x = 1,004,314.11 × 401,083.82
  4. Step 4: Simplify right side
    727,758.88x = 402,814,136,959.24
  5. Step 5: Solve for x
    x = 402,814,136,959.24/727,758.88
  6. Step 6: Final answer
    x = 553,499.45

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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.