Home / 567,440.27-783,028.43-319,119.35

Finding the Fourth Proportional to 567,440.27, 783,028.43 and 319,119.35

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Solution

The fourth proportional to 567,440.27, 783,028.43 and 319,119.35 is: 440,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,440.27 : 783,028.43 = 319,119.35 : x
  2. Step 2: Convert to fraction form
    567,440.27/783,028.43 = 319,119.35/x
  3. Step 3: Cross multiply
    567,440.27x = 783,028.43 × 319,119.35
  4. Step 4: Simplify right side
    567,440.27x = 249,879,526,368.49
  5. Step 5: Solve for x
    x = 249,879,526,368.49/567,440.27
  6. Step 6: Final answer
    x = 440,362.69

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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.