Home / 740,961.63-1,022,100.66-446,406.75

Finding the Fourth Proportional to 740,961.63, 1,022,100.66 and 446,406.75

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Solution

The fourth proportional to 740,961.63, 1,022,100.66 and 446,406.75 is: 615,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,961.63 : 1,022,100.66 = 446,406.75 : x
  2. Step 2: Convert to fraction form
    740,961.63/1,022,100.66 = 446,406.75/x
  3. Step 3: Cross multiply
    740,961.63x = 1,022,100.66 × 446,406.75
  4. Step 4: Simplify right side
    740,961.63x = 456,272,633,803.46
  5. Step 5: Solve for x
    x = 456,272,633,803.46/740,961.63
  6. Step 6: Final answer
    x = 615,784.43

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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.