Home / 847,883.60-1,270,464.60-448,002.80

Finding the Fourth Proportional to 847,883.60, 1,270,464.60 and 448,002.80

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Solution

The fourth proportional to 847,883.60, 1,270,464.60 and 448,002.80 is: 671,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,883.60 : 1,270,464.60 = 448,002.80 : x
  2. Step 2: Convert to fraction form
    847,883.60/1,270,464.60 = 448,002.80/x
  3. Step 3: Cross multiply
    847,883.60x = 1,270,464.60 × 448,002.80
  4. Step 4: Simplify right side
    847,883.60x = 569,171,698,100.88
  5. Step 5: Solve for x
    x = 569,171,698,100.88/847,883.60
  6. Step 6: Final answer
    x = 671,285.18

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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.