Home / 784,921.77-1,083,203.40-440,832.18

Finding the Fourth Proportional to 784,921.77, 1,083,203.40 and 440,832.18

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Solution

The fourth proportional to 784,921.77, 1,083,203.40 and 440,832.18 is: 608,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,921.77 : 1,083,203.40 = 440,832.18 : x
  2. Step 2: Convert to fraction form
    784,921.77/1,083,203.40 = 440,832.18/x
  3. Step 3: Cross multiply
    784,921.77x = 1,083,203.40 × 440,832.18
  4. Step 4: Simplify right side
    784,921.77x = 477,510,916,205.41
  5. Step 5: Solve for x
    x = 477,510,916,205.41/784,921.77
  6. Step 6: Final answer
    x = 608,354.79

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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.