Home / 996,648.20-1,493,951.70-490,430.60

Finding the Fourth Proportional to 996,648.20, 1,493,951.70 and 490,430.60

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Solution

The fourth proportional to 996,648.20, 1,493,951.70 and 490,430.60 is: 735,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,648.20 : 1,493,951.70 = 490,430.60 : x
  2. Step 2: Convert to fraction form
    996,648.20/1,493,951.70 = 490,430.60/x
  3. Step 3: Cross multiply
    996,648.20x = 1,493,951.70 × 490,430.60
  4. Step 4: Simplify right side
    996,648.20x = 732,679,628,602.02
  5. Step 5: Solve for x
    x = 732,679,628,602.02/996,648.20
  6. Step 6: Final answer
    x = 735,143.68

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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.