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Finding the Fourth Proportional to 550,464.28, 759,579.96 and 308,697.10

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Solution

The fourth proportional to 550,464.28, 759,579.96 and 308,697.10 is: 425,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,464.28 : 759,579.96 = 308,697.10 : x
  2. Step 2: Convert to fraction form
    550,464.28/759,579.96 = 308,697.10/x
  3. Step 3: Cross multiply
    550,464.28x = 759,579.96 × 308,697.10
  4. Step 4: Simplify right side
    550,464.28x = 234,480,130,870.12
  5. Step 5: Solve for x
    x = 234,480,130,870.12/550,464.28
  6. Step 6: Final answer
    x = 425,967.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.