Home / 670,022.98-1,005,222.08-270,944.01

Finding the Fourth Proportional to 670,022.98, 1,005,222.08 and 270,944.01

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Solution

The fourth proportional to 670,022.98, 1,005,222.08 and 270,944.01 is: 406,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,022.98 : 1,005,222.08 = 270,944.01 : x
  2. Step 2: Convert to fraction form
    670,022.98/1,005,222.08 = 270,944.01/x
  3. Step 3: Cross multiply
    670,022.98x = 1,005,222.08 × 270,944.01
  4. Step 4: Simplify right side
    670,022.98x = 272,358,901,295.74
  5. Step 5: Solve for x
    x = 272,358,901,295.74/670,022.98
  6. Step 6: Final answer
    x = 406,491.88

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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.