Home / 968,678.40-1,453,144.56-320,039.10

Finding the Fourth Proportional to 968,678.40, 1,453,144.56 and 320,039.10

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Solution

The fourth proportional to 968,678.40, 1,453,144.56 and 320,039.10 is: 480,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,678.40 : 1,453,144.56 = 320,039.10 : x
  2. Step 2: Convert to fraction form
    968,678.40/1,453,144.56 = 320,039.10/x
  3. Step 3: Cross multiply
    968,678.40x = 1,453,144.56 × 320,039.10
  4. Step 4: Simplify right side
    968,678.40x = 465,063,077,152.30
  5. Step 5: Solve for x
    x = 465,063,077,152.30/968,678.40
  6. Step 6: Final answer
    x = 480,100.60

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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.