Home / 980,333.73-1,470,501.80-306,418.49

Finding the Fourth Proportional to 980,333.73, 1,470,501.80 and 306,418.49

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Solution

The fourth proportional to 980,333.73, 1,470,501.80 and 306,418.49 is: 459,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,333.73 : 1,470,501.80 = 306,418.49 : x
  2. Step 2: Convert to fraction form
    980,333.73/1,470,501.80 = 306,418.49/x
  3. Step 3: Cross multiply
    980,333.73x = 1,470,501.80 × 306,418.49
  4. Step 4: Simplify right side
    980,333.73x = 450,588,941,098.28
  5. Step 5: Solve for x
    x = 450,588,941,098.28/980,333.73
  6. Step 6: Final answer
    x = 459,628.11

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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.