Home / 879,204.95-1,213,367.99-492,059.17

Finding the Fourth Proportional to 879,204.95, 1,213,367.99 and 492,059.17

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Solution

The fourth proportional to 879,204.95, 1,213,367.99 and 492,059.17 is: 679,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,204.95 : 1,213,367.99 = 492,059.17 : x
  2. Step 2: Convert to fraction form
    879,204.95/1,213,367.99 = 492,059.17/x
  3. Step 3: Cross multiply
    879,204.95x = 1,213,367.99 × 492,059.17
  4. Step 4: Simplify right side
    879,204.95x = 597,048,847,294.12
  5. Step 5: Solve for x
    x = 597,048,847,294.12/879,204.95
  6. Step 6: Final answer
    x = 679,078.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.