Home / 740,325.44-1,021,651.44-400,795.04

Finding the Fourth Proportional to 740,325.44, 1,021,651.44 and 400,795.04

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Solution

The fourth proportional to 740,325.44, 1,021,651.44 and 400,795.04 is: 553,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,325.44 : 1,021,651.44 = 400,795.04 : x
  2. Step 2: Convert to fraction form
    740,325.44/1,021,651.44 = 400,795.04/x
  3. Step 3: Cross multiply
    740,325.44x = 1,021,651.44 × 400,795.04
  4. Step 4: Simplify right side
    740,325.44x = 409,472,829,760.86
  5. Step 5: Solve for x
    x = 409,472,829,760.86/740,325.44
  6. Step 6: Final answer
    x = 553,098.42

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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.