Home / 630,237.36-869,730.26-343,763.60

Finding the Fourth Proportional to 630,237.36, 869,730.26 and 343,763.60

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Solution

The fourth proportional to 630,237.36, 869,730.26 and 343,763.60 is: 474,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,237.36 : 869,730.26 = 343,763.60 : x
  2. Step 2: Convert to fraction form
    630,237.36/869,730.26 = 343,763.60/x
  3. Step 3: Cross multiply
    630,237.36x = 869,730.26 × 343,763.60
  4. Step 4: Simplify right side
    630,237.36x = 298,981,601,072.72
  5. Step 5: Solve for x
    x = 298,981,601,072.72/630,237.36
  6. Step 6: Final answer
    x = 474,395.24

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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.