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Finding the Fourth Proportional to 629,070.20, 943,605.30 and 488,929.40

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Solution

The fourth proportional to 629,070.20, 943,605.30 and 488,929.40 is: 733,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,070.20 : 943,605.30 = 488,929.40 : x
  2. Step 2: Convert to fraction form
    629,070.20/943,605.30 = 488,929.40/x
  3. Step 3: Cross multiply
    629,070.20x = 943,605.30 × 488,929.40
  4. Step 4: Simplify right side
    629,070.20x = 461,356,373,165.82
  5. Step 5: Solve for x
    x = 461,356,373,165.82/629,070.20
  6. Step 6: Final answer
    x = 733,394.10

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1.5x scale

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.