Home / 656,720.60-985,518.30-301,551.80

Finding the Fourth Proportional to 656,720.60, 985,518.30 and 301,551.80

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Solution

The fourth proportional to 656,720.60, 985,518.30 and 301,551.80 is: 452,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,720.60 : 985,518.30 = 301,551.80 : x
  2. Step 2: Convert to fraction form
    656,720.60/985,518.30 = 301,551.80/x
  3. Step 3: Cross multiply
    656,720.60x = 985,518.30 × 301,551.80
  4. Step 4: Simplify right side
    656,720.60x = 297,184,817,297.94
  5. Step 5: Solve for x
    x = 297,184,817,297.94/656,720.60
  6. Step 6: Final answer
    x = 452,528.54

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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.