Home / 697,580.40-1,046,370.60-685,770.60

Finding the Fourth Proportional to 697,580.40, 1,046,370.60 and 685,770.60

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Solution

The fourth proportional to 697,580.40, 1,046,370.60 and 685,770.60 is: 1,028,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,580.40 : 1,046,370.60 = 685,770.60 : x
  2. Step 2: Convert to fraction form
    697,580.40/1,046,370.60 = 685,770.60/x
  3. Step 3: Cross multiply
    697,580.40x = 1,046,370.60 × 685,770.60
  4. Step 4: Simplify right side
    697,580.40x = 717,570,194,184.36
  5. Step 5: Solve for x
    x = 717,570,194,184.36/697,580.40
  6. Step 6: Final answer
    x = 1,028,655.90

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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.