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Finding the Fourth Proportional to 630,941.15, 870,658.24 and 344,460.62

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Solution

The fourth proportional to 630,941.15, 870,658.24 and 344,460.62 is: 475,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,941.15 : 870,658.24 = 344,460.62 : x
  2. Step 2: Convert to fraction form
    630,941.15/870,658.24 = 344,460.62/x
  3. Step 3: Cross multiply
    630,941.15x = 870,658.24 × 344,460.62
  4. Step 4: Simplify right side
    630,941.15x = 299,907,477,158.51
  5. Step 5: Solve for x
    x = 299,907,477,158.51/630,941.15
  6. Step 6: Final answer
    x = 475,333.52

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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.