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Finding the Fourth Proportional to 630,277.70, 944,628.15 and 314,822.66

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Solution

The fourth proportional to 630,277.70, 944,628.15 and 314,822.66 is: 471,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,277.70 : 944,628.15 = 314,822.66 : x
  2. Step 2: Convert to fraction form
    630,277.70/944,628.15 = 314,822.66/x
  3. Step 3: Cross multiply
    630,277.70x = 944,628.15 × 314,822.66
  4. Step 4: Simplify right side
    630,277.70x = 297,390,346,893.88
  5. Step 5: Solve for x
    x = 297,390,346,893.88/630,277.70
  6. Step 6: Final answer
    x = 471,840.19

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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.