Home / 697,961.53-1,047,463.40-518,461.44

Finding the Fourth Proportional to 697,961.53, 1,047,463.40 and 518,461.44

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Solution

The fourth proportional to 697,961.53, 1,047,463.40 and 518,461.44 is: 778,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,961.53 : 1,047,463.40 = 518,461.44 : x
  2. Step 2: Convert to fraction form
    697,961.53/1,047,463.40 = 518,461.44/x
  3. Step 3: Cross multiply
    697,961.53x = 1,047,463.40 × 518,461.44
  4. Step 4: Simplify right side
    697,961.53x = 543,069,382,711.30
  5. Step 5: Solve for x
    x = 543,069,382,711.30/697,961.53
  6. Step 6: Final answer
    x = 778,079.25

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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.