Home / 595,563.60-821,914.20-340,908.72

Finding the Fourth Proportional to 595,563.60, 821,914.20 and 340,908.72

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Solution

The fourth proportional to 595,563.60, 821,914.20 and 340,908.72 is: 470,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,563.60 : 821,914.20 = 340,908.72 : x
  2. Step 2: Convert to fraction form
    595,563.60/821,914.20 = 340,908.72/x
  3. Step 3: Cross multiply
    595,563.60x = 821,914.20 × 340,908.72
  4. Step 4: Simplify right side
    595,563.60x = 280,197,717,871.82
  5. Step 5: Solve for x
    x = 280,197,717,871.82/595,563.60
  6. Step 6: Final answer
    x = 470,474.89

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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.