Home / 630,470.80-945,983.44-330,881.18

Finding the Fourth Proportional to 630,470.80, 945,983.44 and 330,881.18

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Solution

The fourth proportional to 630,470.80, 945,983.44 and 330,881.18 is: 496,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,470.80 : 945,983.44 = 330,881.18 : x
  2. Step 2: Convert to fraction form
    630,470.80/945,983.44 = 330,881.18/x
  3. Step 3: Cross multiply
    630,470.80x = 945,983.44 × 330,881.18
  4. Step 4: Simplify right side
    630,470.80x = 313,008,119,666.22
  5. Step 5: Solve for x
    x = 313,008,119,666.22/630,470.80
  6. Step 6: Final answer
    x = 496,467.28

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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.