Home / 630,448.31-945,680.67-209,724.19

Finding the Fourth Proportional to 630,448.31, 945,680.67 and 209,724.19

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Solution

The fourth proportional to 630,448.31, 945,680.67 and 209,724.19 is: 314,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,448.31 : 945,680.67 = 209,724.19 : x
  2. Step 2: Convert to fraction form
    630,448.31/945,680.67 = 209,724.19/x
  3. Step 3: Cross multiply
    630,448.31x = 945,680.67 × 209,724.19
  4. Step 4: Simplify right side
    630,448.31x = 198,332,110,150.21
  5. Step 5: Solve for x
    x = 198,332,110,150.21/630,448.31
  6. Step 6: Final answer
    x = 314,589.01

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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.