Home / 909,939.92-1,365,071.88-310,967.60

Finding the Fourth Proportional to 909,939.92, 1,365,071.88 and 310,967.60

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Solution

The fourth proportional to 909,939.92, 1,365,071.88 and 310,967.60 is: 466,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,939.92 : 1,365,071.88 = 310,967.60 : x
  2. Step 2: Convert to fraction form
    909,939.92/1,365,071.88 = 310,967.60/x
  3. Step 3: Cross multiply
    909,939.92x = 1,365,071.88 × 310,967.60
  4. Step 4: Simplify right side
    909,939.92x = 424,493,126,351.09
  5. Step 5: Solve for x
    x = 424,493,126,351.09/909,939.92
  6. Step 6: Final answer
    x = 466,506.76

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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.