Home / 879,532.82-1,213,757.62-477,124.82

Finding the Fourth Proportional to 879,532.82, 1,213,757.62 and 477,124.82

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Solution

The fourth proportional to 879,532.82, 1,213,757.62 and 477,124.82 is: 658,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,532.82 : 1,213,757.62 = 477,124.82 : x
  2. Step 2: Convert to fraction form
    879,532.82/1,213,757.62 = 477,124.82/x
  3. Step 3: Cross multiply
    879,532.82x = 1,213,757.62 × 477,124.82
  4. Step 4: Simplify right side
    879,532.82x = 579,113,885,966.13
  5. Step 5: Solve for x
    x = 579,113,885,966.13/879,532.82
  6. Step 6: Final answer
    x = 658,433.51

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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.