Home / 670,738.92-1,004,425.88-400,700.48

Finding the Fourth Proportional to 670,738.92, 1,004,425.88 and 400,700.48

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Solution

The fourth proportional to 670,738.92, 1,004,425.88 and 400,700.48 is: 600,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,738.92 : 1,004,425.88 = 400,700.48 : x
  2. Step 2: Convert to fraction form
    670,738.92/1,004,425.88 = 400,700.48/x
  3. Step 3: Cross multiply
    670,738.92x = 1,004,425.88 × 400,700.48
  4. Step 4: Simplify right side
    670,738.92x = 402,473,932,240.42
  5. Step 5: Solve for x
    x = 402,473,932,240.42/670,738.92
  6. Step 6: Final answer
    x = 600,045.59

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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.