Home / 648,014.78-970,618.24-470,129.06

Finding the Fourth Proportional to 648,014.78, 970,618.24 and 470,129.06

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Solution

The fourth proportional to 648,014.78, 970,618.24 and 470,129.06 is: 704,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,014.78 : 970,618.24 = 470,129.06 : x
  2. Step 2: Convert to fraction form
    648,014.78/970,618.24 = 470,129.06/x
  3. Step 3: Cross multiply
    648,014.78x = 970,618.24 × 470,129.06
  4. Step 4: Simplify right side
    648,014.78x = 456,315,843,804.26
  5. Step 5: Solve for x
    x = 456,315,843,804.26/648,014.78
  6. Step 6: Final answer
    x = 704,175.05

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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.