Home / 666,666.74-1,000,224.56-211,332.33

Finding the Fourth Proportional to 666,666.74, 1,000,224.56 and 211,332.33

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Solution

The fourth proportional to 666,666.74, 1,000,224.56 and 211,332.33 is: 317,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,666.74 : 1,000,224.56 = 211,332.33 : x
  2. Step 2: Convert to fraction form
    666,666.74/1,000,224.56 = 211,332.33/x
  3. Step 3: Cross multiply
    666,666.74x = 1,000,224.56 × 211,332.33
  4. Step 4: Simplify right side
    666,666.74x = 211,379,785,731.36
  5. Step 5: Solve for x
    x = 211,379,785,731.36/666,666.74
  6. Step 6: Final answer
    x = 317,069.65

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1.5x scale

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.