Home / 698,968.96-1,048,454.52-299,578.48

Finding the Fourth Proportional to 698,968.96, 1,048,454.52 and 299,578.48

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Solution

The fourth proportional to 698,968.96, 1,048,454.52 and 299,578.48 is: 449,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,968.96 : 1,048,454.52 = 299,578.48 : x
  2. Step 2: Convert to fraction form
    698,968.96/1,048,454.52 = 299,578.48/x
  3. Step 3: Cross multiply
    698,968.96x = 1,048,454.52 × 299,578.48
  4. Step 4: Simplify right side
    698,968.96x = 314,094,411,450.73
  5. Step 5: Solve for x
    x = 314,094,411,450.73/698,968.96
  6. Step 6: Final answer
    x = 449,368.18

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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.