Home / 839,676.10-1,158,709.29-477,049.63

Finding the Fourth Proportional to 839,676.10, 1,158,709.29 and 477,049.63

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Solution

The fourth proportional to 839,676.10, 1,158,709.29 and 477,049.63 is: 658,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,676.10 : 1,158,709.29 = 477,049.63 : x
  2. Step 2: Convert to fraction form
    839,676.10/1,158,709.29 = 477,049.63/x
  3. Step 3: Cross multiply
    839,676.10x = 1,158,709.29 × 477,049.63
  4. Step 4: Simplify right side
    839,676.10x = 552,761,832,278.52
  5. Step 5: Solve for x
    x = 552,761,832,278.52/839,676.10
  6. Step 6: Final answer
    x = 658,303.64

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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.