Home / 980,703.65-1,470,224.42-382,081.66

Finding the Fourth Proportional to 980,703.65, 1,470,224.42 and 382,081.66

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Solution

The fourth proportional to 980,703.65, 1,470,224.42 and 382,081.66 is: 572,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,703.65 : 1,470,224.42 = 382,081.66 : x
  2. Step 2: Convert to fraction form
    980,703.65/1,470,224.42 = 382,081.66/x
  3. Step 3: Cross multiply
    980,703.65x = 1,470,224.42 × 382,081.66
  4. Step 4: Simplify right side
    980,703.65x = 561,745,782,812.97
  5. Step 5: Solve for x
    x = 561,745,782,812.97/980,703.65
  6. Step 6: Final answer
    x = 572,798.71

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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.