Home / 806,009.42-1,112,292.99-443,425.52

Finding the Fourth Proportional to 806,009.42, 1,112,292.99 and 443,425.52

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Solution

The fourth proportional to 806,009.42, 1,112,292.99 and 443,425.52 is: 611,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,009.42 : 1,112,292.99 = 443,425.52 : x
  2. Step 2: Convert to fraction form
    806,009.42/1,112,292.99 = 443,425.52/x
  3. Step 3: Cross multiply
    806,009.42x = 1,112,292.99 × 443,425.52
  4. Step 4: Simplify right side
    806,009.42x = 493,219,091,921.64
  5. Step 5: Solve for x
    x = 493,219,091,921.64/806,009.42
  6. Step 6: Final answer
    x = 611,927.21

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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.