Home / 989,023.26-1,484,144.01-389,882.46

Finding the Fourth Proportional to 989,023.26, 1,484,144.01 and 389,882.46

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Solution

The fourth proportional to 989,023.26, 1,484,144.01 and 389,882.46 is: 585,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,023.26 : 1,484,144.01 = 389,882.46 : x
  2. Step 2: Convert to fraction form
    989,023.26/1,484,144.01 = 389,882.46/x
  3. Step 3: Cross multiply
    989,023.26x = 1,484,144.01 × 389,882.46
  4. Step 4: Simplify right side
    989,023.26x = 578,641,717,613.07
  5. Step 5: Solve for x
    x = 578,641,717,613.07/989,023.26
  6. Step 6: Final answer
    x = 585,063.81

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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.