Home / 679,964.40-1,019,946.60-325,670.40

Finding the Fourth Proportional to 679,964.40, 1,019,946.60 and 325,670.40

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Solution

The fourth proportional to 679,964.40, 1,019,946.60 and 325,670.40 is: 488,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,964.40 : 1,019,946.60 = 325,670.40 : x
  2. Step 2: Convert to fraction form
    679,964.40/1,019,946.60 = 325,670.40/x
  3. Step 3: Cross multiply
    679,964.40x = 1,019,946.60 × 325,670.40
  4. Step 4: Simplify right side
    679,964.40x = 332,166,417,200.64
  5. Step 5: Solve for x
    x = 332,166,417,200.64/679,964.40
  6. Step 6: Final answer
    x = 488,505.60

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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.