Home / 670,439.58-1,004,309.37-310,102.62

Finding the Fourth Proportional to 670,439.58, 1,004,309.37 and 310,102.62

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Solution

The fourth proportional to 670,439.58, 1,004,309.37 and 310,102.62 is: 464,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,439.58 : 1,004,309.37 = 310,102.62 : x
  2. Step 2: Convert to fraction form
    670,439.58/1,004,309.37 = 310,102.62/x
  3. Step 3: Cross multiply
    670,439.58x = 1,004,309.37 × 310,102.62
  4. Step 4: Simplify right side
    670,439.58x = 311,438,966,927.55
  5. Step 5: Solve for x
    x = 311,438,966,927.55/670,439.58
  6. Step 6: Final answer
    x = 464,529.51

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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.