Home / 697,963.53-1,047,466.40-518,463.44

Finding the Fourth Proportional to 697,963.53, 1,047,466.40 and 518,463.44

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Solution

The fourth proportional to 697,963.53, 1,047,466.40 and 518,463.44 is: 778,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,963.53 : 1,047,466.40 = 518,463.44 : x
  2. Step 2: Convert to fraction form
    697,963.53/1,047,466.40 = 518,463.44/x
  3. Step 3: Cross multiply
    697,963.53x = 1,047,466.40 × 518,463.44
  4. Step 4: Simplify right side
    697,963.53x = 543,073,033,028.42
  5. Step 5: Solve for x
    x = 543,073,033,028.42/697,963.53
  6. Step 6: Final answer
    x = 778,082.25

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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.