Home / 697,876.80-1,048,370.40-669,537.60

Finding the Fourth Proportional to 697,876.80, 1,048,370.40 and 669,537.60

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Solution

The fourth proportional to 697,876.80, 1,048,370.40 and 669,537.60 is: 1,005,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,876.80 : 1,048,370.40 = 669,537.60 : x
  2. Step 2: Convert to fraction form
    697,876.80/1,048,370.40 = 669,537.60/x
  3. Step 3: Cross multiply
    697,876.80x = 1,048,370.40 × 669,537.60
  4. Step 4: Simplify right side
    697,876.80x = 701,923,401,527.04
  5. Step 5: Solve for x
    x = 701,923,401,527.04/697,876.80
  6. Step 6: Final answer
    x = 1,005,798.45

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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.