Home / 670,231.74-1,004,782.59-290,866.71

Finding the Fourth Proportional to 670,231.74, 1,004,782.59 and 290,866.71

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Solution

The fourth proportional to 670,231.74, 1,004,782.59 and 290,866.71 is: 436,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,231.74 : 1,004,782.59 = 290,866.71 : x
  2. Step 2: Convert to fraction form
    670,231.74/1,004,782.59 = 290,866.71/x
  3. Step 3: Cross multiply
    670,231.74x = 1,004,782.59 × 290,866.71
  4. Step 4: Simplify right side
    670,231.74x = 292,257,806,218.58
  5. Step 5: Solve for x
    x = 292,257,806,218.58/670,231.74
  6. Step 6: Final answer
    x = 436,054.86

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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.