Home / 711,130.53-1,066,696.82-290,406.41

Finding the Fourth Proportional to 711,130.53, 1,066,696.82 and 290,406.41

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Solution

The fourth proportional to 711,130.53, 1,066,696.82 and 290,406.41 is: 435,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,130.53 : 1,066,696.82 = 290,406.41 : x
  2. Step 2: Convert to fraction form
    711,130.53/1,066,696.82 = 290,406.41/x
  3. Step 3: Cross multiply
    711,130.53x = 1,066,696.82 × 290,406.41
  4. Step 4: Simplify right side
    711,130.53x = 309,775,594,054.62
  5. Step 5: Solve for x
    x = 309,775,594,054.62/711,130.53
  6. Step 6: Final answer
    x = 435,610.03

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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.