Home / 970,271.20-1,455,406.80-305,423.20

Finding the Fourth Proportional to 970,271.20, 1,455,406.80 and 305,423.20

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Solution

The fourth proportional to 970,271.20, 1,455,406.80 and 305,423.20 is: 458,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,271.20 : 1,455,406.80 = 305,423.20 : x
  2. Step 2: Convert to fraction form
    970,271.20/1,455,406.80 = 305,423.20/x
  3. Step 3: Cross multiply
    970,271.20x = 1,455,406.80 × 305,423.20
  4. Step 4: Simplify right side
    970,271.20x = 444,515,002,157.76
  5. Step 5: Solve for x
    x = 444,515,002,157.76/970,271.20
  6. Step 6: Final answer
    x = 458,134.80

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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.