Home / 601,915.07-830,624.79-329,973.66

Finding the Fourth Proportional to 601,915.07, 830,624.79 and 329,973.66

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Solution

The fourth proportional to 601,915.07, 830,624.79 and 329,973.66 is: 455,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,915.07 : 830,624.79 = 329,973.66 : x
  2. Step 2: Convert to fraction form
    601,915.07/830,624.79 = 329,973.66/x
  3. Step 3: Cross multiply
    601,915.07x = 830,624.79 × 329,973.66
  4. Step 4: Simplify right side
    601,915.07x = 274,084,302,043.03
  5. Step 5: Solve for x
    x = 274,084,302,043.03/601,915.07
  6. Step 6: Final answer
    x = 455,353.78

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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.