Home / 897,438.30-1,235,945.40-877,842.78

Finding the Fourth Proportional to 897,438.30, 1,235,945.40 and 877,842.78

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Solution

The fourth proportional to 897,438.30, 1,235,945.40 and 877,842.78 is: 1,208,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,438.30 : 1,235,945.40 = 877,842.78 : x
  2. Step 2: Convert to fraction form
    897,438.30/1,235,945.40 = 877,842.78/x
  3. Step 3: Cross multiply
    897,438.30x = 1,235,945.40 × 877,842.78
  4. Step 4: Simplify right side
    897,438.30x = 1,084,965,745,864.21
  5. Step 5: Solve for x
    x = 1,084,965,745,864.21/897,438.30
  6. Step 6: Final answer
    x = 1,208,958.59

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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.