Home / 839,676.93-1,158,710.40-477,050.46

Finding the Fourth Proportional to 839,676.93, 1,158,710.40 and 477,050.46

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Solution

The fourth proportional to 839,676.93, 1,158,710.40 and 477,050.46 is: 658,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,676.93 : 1,158,710.40 = 477,050.46 : x
  2. Step 2: Convert to fraction form
    839,676.93/1,158,710.40 = 477,050.46/x
  3. Step 3: Cross multiply
    839,676.93x = 1,158,710.40 × 477,050.46
  4. Step 4: Simplify right side
    839,676.93x = 552,763,329,326.78
  5. Step 5: Solve for x
    x = 552,763,329,326.78/839,676.93
  6. Step 6: Final answer
    x = 658,304.77

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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.