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Finding the Fourth Proportional to 630,030.80, 945,046.20 and 452,883.80

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Solution

The fourth proportional to 630,030.80, 945,046.20 and 452,883.80 is: 679,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,030.80 : 945,046.20 = 452,883.80 : x
  2. Step 2: Convert to fraction form
    630,030.80/945,046.20 = 452,883.80/x
  3. Step 3: Cross multiply
    630,030.80x = 945,046.20 × 452,883.80
  4. Step 4: Simplify right side
    630,030.80x = 427,996,114,231.56
  5. Step 5: Solve for x
    x = 427,996,114,231.56/630,030.80
  6. Step 6: Final answer
    x = 679,325.70

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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.