Home / 879,427.94-1,319,194.22-339,688.35

Finding the Fourth Proportional to 879,427.94, 1,319,194.22 and 339,688.35

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Solution

The fourth proportional to 879,427.94, 1,319,194.22 and 339,688.35 is: 509,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,427.94 : 1,319,194.22 = 339,688.35 : x
  2. Step 2: Convert to fraction form
    879,427.94/1,319,194.22 = 339,688.35/x
  3. Step 3: Cross multiply
    879,427.94x = 1,319,194.22 × 339,688.35
  4. Step 4: Simplify right side
    879,427.94x = 448,114,906,222.90
  5. Step 5: Solve for x
    x = 448,114,906,222.90/879,427.94
  6. Step 6: Final answer
    x = 509,552.73

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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.