Home / 740,558.60-1,021,974-401,027.12

Finding the Fourth Proportional to 740,558.60, 1,021,974 and 401,027.12

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Solution

The fourth proportional to 740,558.60, 1,021,974 and 401,027.12 is: 553,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,558.60 : 1,021,974 = 401,027.12 : x
  2. Step 2: Convert to fraction form
    740,558.60/1,021,974 = 401,027.12/x
  3. Step 3: Cross multiply
    740,558.60x = 1,021,974 × 401,027.12
  4. Step 4: Simplify right side
    740,558.60x = 409,839,289,934.88
  5. Step 5: Solve for x
    x = 409,839,289,934.88/740,558.60
  6. Step 6: Final answer
    x = 553,419.12

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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.