Home / 740,182.44-1,021,455.12-400,650.69

Finding the Fourth Proportional to 740,182.44, 1,021,455.12 and 400,650.69

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Solution

The fourth proportional to 740,182.44, 1,021,455.12 and 400,650.69 is: 552,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,182.44 : 1,021,455.12 = 400,650.69 : x
  2. Step 2: Convert to fraction form
    740,182.44/1,021,455.12 = 400,650.69/x
  3. Step 3: Cross multiply
    740,182.44x = 1,021,455.12 × 400,650.69
  4. Step 4: Simplify right side
    740,182.44x = 409,246,698,632.03
  5. Step 5: Solve for x
    x = 409,246,698,632.03/740,182.44
  6. Step 6: Final answer
    x = 552,899.77

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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.