Home / 879,866.46-1,214,215.70-477,458.46

Finding the Fourth Proportional to 879,866.46, 1,214,215.70 and 477,458.46

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Solution

The fourth proportional to 879,866.46, 1,214,215.70 and 477,458.46 is: 658,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,866.46 : 1,214,215.70 = 477,458.46 : x
  2. Step 2: Convert to fraction form
    879,866.46/1,214,215.70 = 477,458.46/x
  3. Step 3: Cross multiply
    879,866.46x = 1,214,215.70 × 477,458.46
  4. Step 4: Simplify right side
    879,866.46x = 579,737,555,842.53
  5. Step 5: Solve for x
    x = 579,737,555,842.53/879,866.46
  6. Step 6: Final answer
    x = 658,892.66

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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.