Home / 947,374.74-1,307,377.44-511,792.20

Finding the Fourth Proportional to 947,374.74, 1,307,377.44 and 511,792.20

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Solution

The fourth proportional to 947,374.74, 1,307,377.44 and 511,792.20 is: 706,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,374.74 : 1,307,377.44 = 511,792.20 : x
  2. Step 2: Convert to fraction form
    947,374.74/1,307,377.44 = 511,792.20/x
  3. Step 3: Cross multiply
    947,374.74x = 1,307,377.44 × 511,792.20
  4. Step 4: Simplify right side
    947,374.74x = 669,105,576,247.97
  5. Step 5: Solve for x
    x = 669,105,576,247.97/947,374.74
  6. Step 6: Final answer
    x = 706,273.40

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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.