Home / 726,712.50-1,001,823.90-511,183.62

Finding the Fourth Proportional to 726,712.50, 1,001,823.90 and 511,183.62

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Solution

The fourth proportional to 726,712.50, 1,001,823.90 and 511,183.62 is: 704,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,712.50 : 1,001,823.90 = 511,183.62 : x
  2. Step 2: Convert to fraction form
    726,712.50/1,001,823.90 = 511,183.62/x
  3. Step 3: Cross multiply
    726,712.50x = 1,001,823.90 × 511,183.62
  4. Step 4: Simplify right side
    726,712.50x = 512,115,967,804.52
  5. Step 5: Solve for x
    x = 512,115,967,804.52/726,712.50
  6. Step 6: Final answer
    x = 704,702.30

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1.5x scale

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.