Home / 772,548.69-1,158,968.40-310,961.94

Finding the Fourth Proportional to 772,548.69, 1,158,968.40 and 310,961.94

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Solution

The fourth proportional to 772,548.69, 1,158,968.40 and 310,961.94 is: 466,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,548.69 : 1,158,968.40 = 310,961.94 : x
  2. Step 2: Convert to fraction form
    772,548.69/1,158,968.40 = 310,961.94/x
  3. Step 3: Cross multiply
    772,548.69x = 1,158,968.40 × 310,961.94
  4. Step 4: Simplify right side
    772,548.69x = 360,395,058,299.62
  5. Step 5: Solve for x
    x = 360,395,058,299.62/772,548.69
  6. Step 6: Final answer
    x = 466,501.42

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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.