Home / 699,297.96-1,048,266.38-445,787.40

Finding the Fourth Proportional to 699,297.96, 1,048,266.38 and 445,787.40

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Solution

The fourth proportional to 699,297.96, 1,048,266.38 and 445,787.40 is: 668,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,297.96 : 1,048,266.38 = 445,787.40 : x
  2. Step 2: Convert to fraction form
    699,297.96/1,048,266.38 = 445,787.40/x
  3. Step 3: Cross multiply
    699,297.96x = 1,048,266.38 × 445,787.40
  4. Step 4: Simplify right side
    699,297.96x = 467,303,944,047.61
  5. Step 5: Solve for x
    x = 467,303,944,047.61/699,297.96
  6. Step 6: Final answer
    x = 668,247.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.