Home / 740,941.26-1,022,492.52-401,408.70

Finding the Fourth Proportional to 740,941.26, 1,022,492.52 and 401,408.70

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Solution

The fourth proportional to 740,941.26, 1,022,492.52 and 401,408.70 is: 553,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,941.26 : 1,022,492.52 = 401,408.70 : x
  2. Step 2: Convert to fraction form
    740,941.26/1,022,492.52 = 401,408.70/x
  3. Step 3: Cross multiply
    740,941.26x = 1,022,492.52 × 401,408.70
  4. Step 4: Simplify right side
    740,941.26x = 410,437,393,212.92
  5. Step 5: Solve for x
    x = 410,437,393,212.92/740,941.26
  6. Step 6: Final answer
    x = 553,940.53

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1.5x scale

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.