Home / 3,520,322.60-5,280,483.90-860,930.60

Finding the Fourth Proportional to 3,520,322.60, 5,280,483.90 and 860,930.60

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Solution

The fourth proportional to 3,520,322.60, 5,280,483.90 and 860,930.60 is: 1,291,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,322.60 : 5,280,483.90 = 860,930.60 : x
  2. Step 2: Convert to fraction form
    3,520,322.60/5,280,483.90 = 860,930.60/x
  3. Step 3: Cross multiply
    3,520,322.60x = 5,280,483.90 × 860,930.60
  4. Step 4: Simplify right side
    3,520,322.60x = 4,546,130,172,317.34
  5. Step 5: Solve for x
    x = 4,546,130,172,317.34/3,520,322.60
  6. Step 6: Final answer
    x = 1,291,395.90

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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.