Home / 648,002.60-971,878.62-198,614.60

Finding the Fourth Proportional to 648,002.60, 971,878.62 and 198,614.60

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Solution

The fourth proportional to 648,002.60, 971,878.62 and 198,614.60 is: 297,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.60 : 971,878.62 = 198,614.60 : x
  2. Step 2: Convert to fraction form
    648,002.60/971,878.62 = 198,614.60/x
  3. Step 3: Cross multiply
    648,002.60x = 971,878.62 × 198,614.60
  4. Step 4: Simplify right side
    648,002.60x = 193,029,283,359.85
  5. Step 5: Solve for x
    x = 193,029,283,359.85/648,002.60
  6. Step 6: Final answer
    x = 297,883.50

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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.