Home / 980,575.47-1,470,020.80-340,796.10

Finding the Fourth Proportional to 980,575.47, 1,470,020.80 and 340,796.10

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Solution

The fourth proportional to 980,575.47, 1,470,020.80 and 340,796.10 is: 510,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,575.47 : 1,470,020.80 = 340,796.10 : x
  2. Step 2: Convert to fraction form
    980,575.47/1,470,020.80 = 340,796.10/x
  3. Step 3: Cross multiply
    980,575.47x = 1,470,020.80 × 340,796.10
  4. Step 4: Simplify right side
    980,575.47x = 500,977,355,558.88
  5. Step 5: Solve for x
    x = 500,977,355,558.88/980,575.47
  6. Step 6: Final answer
    x = 510,901.37

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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.