Home / 726,730.50-1,001,848.74-511,201.62

Finding the Fourth Proportional to 726,730.50, 1,001,848.74 and 511,201.62

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Solution

The fourth proportional to 726,730.50, 1,001,848.74 and 511,201.62 is: 704,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,730.50 : 1,001,848.74 = 511,201.62 : x
  2. Step 2: Convert to fraction form
    726,730.50/1,001,848.74 = 511,201.62/x
  3. Step 3: Cross multiply
    726,730.50x = 1,001,848.74 × 511,201.62
  4. Step 4: Simplify right side
    726,730.50x = 512,146,698,882.96
  5. Step 5: Solve for x
    x = 512,146,698,882.96/726,730.50
  6. Step 6: Final answer
    x = 704,727.13

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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.