Home / 879,809.88-1,319,703.30-214,967.64

Finding the Fourth Proportional to 879,809.88, 1,319,703.30 and 214,967.64

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Solution

The fourth proportional to 879,809.88, 1,319,703.30 and 214,967.64 is: 322,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,809.88 : 1,319,703.30 = 214,967.64 : x
  2. Step 2: Convert to fraction form
    879,809.88/1,319,703.30 = 214,967.64/x
  3. Step 3: Cross multiply
    879,809.88x = 1,319,703.30 × 214,967.64
  4. Step 4: Simplify right side
    879,809.88x = 283,693,503,901.21
  5. Step 5: Solve for x
    x = 283,693,503,901.21/879,809.88
  6. Step 6: Final answer
    x = 322,448.65

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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.