Home / 820,166.40-1,230,595.20-446,457.60

Finding the Fourth Proportional to 820,166.40, 1,230,595.20 and 446,457.60

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Solution

The fourth proportional to 820,166.40, 1,230,595.20 and 446,457.60 is: 669,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,166.40 : 1,230,595.20 = 446,457.60 : x
  2. Step 2: Convert to fraction form
    820,166.40/1,230,595.20 = 446,457.60/x
  3. Step 3: Cross multiply
    820,166.40x = 1,230,595.20 × 446,457.60
  4. Step 4: Simplify right side
    820,166.40x = 549,408,579,563.52
  5. Step 5: Solve for x
    x = 549,408,579,563.52/820,166.40
  6. Step 6: Final answer
    x = 669,874.53

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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.