Home / 994,688.10-1,492,610.90-418,269.83

Finding the Fourth Proportional to 994,688.10, 1,492,610.90 and 418,269.83

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Solution

The fourth proportional to 994,688.10, 1,492,610.90 and 418,269.83 is: 627,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,688.10 : 1,492,610.90 = 418,269.83 : x
  2. Step 2: Convert to fraction form
    994,688.10/1,492,610.90 = 418,269.83/x
  3. Step 3: Cross multiply
    994,688.10x = 1,492,610.90 × 418,269.83
  4. Step 4: Simplify right side
    994,688.10x = 624,314,097,844.74
  5. Step 5: Solve for x
    x = 624,314,097,844.74/994,688.10
  6. Step 6: Final answer
    x = 627,648.10

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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.