Home / 839,676.16-1,158,709.37-477,049.69

Finding the Fourth Proportional to 839,676.16, 1,158,709.37 and 477,049.69

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Solution

The fourth proportional to 839,676.16, 1,158,709.37 and 477,049.69 is: 658,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,676.16 : 1,158,709.37 = 477,049.69 : x
  2. Step 2: Convert to fraction form
    839,676.16/1,158,709.37 = 477,049.69/x
  3. Step 3: Cross multiply
    839,676.16x = 1,158,709.37 × 477,049.69
  4. Step 4: Simplify right side
    839,676.16x = 552,761,944,054.45
  5. Step 5: Solve for x
    x = 552,761,944,054.45/839,676.16
  6. Step 6: Final answer
    x = 658,303.73

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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.