Home / 700,378.14-1,048,883.70-399,949.14

Finding the Fourth Proportional to 700,378.14, 1,048,883.70 and 399,949.14

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Solution

The fourth proportional to 700,378.14, 1,048,883.70 and 399,949.14 is: 598,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,378.14 : 1,048,883.70 = 399,949.14 : x
  2. Step 2: Convert to fraction form
    700,378.14/1,048,883.70 = 399,949.14/x
  3. Step 3: Cross multiply
    700,378.14x = 1,048,883.70 × 399,949.14
  4. Step 4: Simplify right side
    700,378.14x = 419,500,133,775.02
  5. Step 5: Solve for x
    x = 419,500,133,775.02/700,378.14
  6. Step 6: Final answer
    x = 598,962.35

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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.