Home / 860,676.85-1,291,015.28-662,000.05

Finding the Fourth Proportional to 860,676.85, 1,291,015.28 and 662,000.05

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Solution

The fourth proportional to 860,676.85, 1,291,015.28 and 662,000.05 is: 993,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,676.85 : 1,291,015.28 = 662,000.05 : x
  2. Step 2: Convert to fraction form
    860,676.85/1,291,015.28 = 662,000.05/x
  3. Step 3: Cross multiply
    860,676.85x = 1,291,015.28 × 662,000.05
  4. Step 4: Simplify right side
    860,676.85x = 854,652,176,600.76
  5. Step 5: Solve for x
    x = 854,652,176,600.76/860,676.85
  6. Step 6: Final answer
    x = 993,000.08

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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.