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Finding the Fourth Proportional to 968,842, 1,453,496.40 and 303,994

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Solution

The fourth proportional to 968,842, 1,453,496.40 and 303,994 is: 456,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,842 : 1,453,496.40 = 303,994 : x
  2. Step 2: Convert to fraction form
    968,842/1,453,496.40 = 303,994/x
  3. Step 3: Cross multiply
    968,842x = 1,453,496.40 × 303,994
  4. Step 4: Simplify right side
    968,842x = 441,854,184,621.60
  5. Step 5: Solve for x
    x = 441,854,184,621.60/968,842
  6. Step 6: Final answer
    x = 456,064.23

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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.