Home / 630,044.96-869,483.04-343,580.72

Finding the Fourth Proportional to 630,044.96, 869,483.04 and 343,580.72

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Solution

The fourth proportional to 630,044.96, 869,483.04 and 343,580.72 is: 474,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,044.96 : 869,483.04 = 343,580.72 : x
  2. Step 2: Convert to fraction form
    630,044.96/869,483.04 = 343,580.72/x
  3. Step 3: Cross multiply
    630,044.96x = 869,483.04 × 343,580.72
  4. Step 4: Simplify right side
    630,044.96x = 298,737,608,910.99
  5. Step 5: Solve for x
    x = 298,737,608,910.99/630,044.96
  6. Step 6: Final answer
    x = 474,152.84

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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.