Home / 670,007.36-1,004,795.08-220,621.24

Finding the Fourth Proportional to 670,007.36, 1,004,795.08 and 220,621.24

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Solution

The fourth proportional to 670,007.36, 1,004,795.08 and 220,621.24 is: 330,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,007.36 : 1,004,795.08 = 220,621.24 : x
  2. Step 2: Convert to fraction form
    670,007.36/1,004,795.08 = 220,621.24/x
  3. Step 3: Cross multiply
    670,007.36x = 1,004,795.08 × 220,621.24
  4. Step 4: Simplify right side
    670,007.36x = 221,679,131,547.97
  5. Step 5: Solve for x
    x = 221,679,131,547.97/670,007.36
  6. Step 6: Final answer
    x = 330,860.74

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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.