Home / 980,295.08-1,470,533.25-381,301.70

Finding the Fourth Proportional to 980,295.08, 1,470,533.25 and 381,301.70

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Solution

The fourth proportional to 980,295.08, 1,470,533.25 and 381,301.70 is: 571,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,295.08 : 1,470,533.25 = 381,301.70 : x
  2. Step 2: Convert to fraction form
    980,295.08/1,470,533.25 = 381,301.70/x
  3. Step 3: Cross multiply
    980,295.08x = 1,470,533.25 × 381,301.70
  4. Step 4: Simplify right side
    980,295.08x = 560,716,820,778.86
  5. Step 5: Solve for x
    x = 560,716,820,778.86/980,295.08
  6. Step 6: Final answer
    x = 571,987.80

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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.