Home / 670,087.69-1,004,700.71-442,119.87

Finding the Fourth Proportional to 670,087.69, 1,004,700.71 and 442,119.87

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Solution

The fourth proportional to 670,087.69, 1,004,700.71 and 442,119.87 is: 662,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,087.69 : 1,004,700.71 = 442,119.87 : x
  2. Step 2: Convert to fraction form
    670,087.69/1,004,700.71 = 442,119.87/x
  3. Step 3: Cross multiply
    670,087.69x = 1,004,700.71 × 442,119.87
  4. Step 4: Simplify right side
    670,087.69x = 444,198,148,399.41
  5. Step 5: Solve for x
    x = 444,198,148,399.41/670,087.69
  6. Step 6: Final answer
    x = 662,895.55

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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.