Home / 860,099.10-1,290,311.40-283,755.42

Finding the Fourth Proportional to 860,099.10, 1,290,311.40 and 283,755.42

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Solution

The fourth proportional to 860,099.10, 1,290,311.40 and 283,755.42 is: 425,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,099.10 : 1,290,311.40 = 283,755.42 : x
  2. Step 2: Convert to fraction form
    860,099.10/1,290,311.40 = 283,755.42/x
  3. Step 3: Cross multiply
    860,099.10x = 1,290,311.40 × 283,755.42
  4. Step 4: Simplify right side
    860,099.10x = 366,132,853,237.79
  5. Step 5: Solve for x
    x = 366,132,853,237.79/860,099.10
  6. Step 6: Final answer
    x = 425,686.82

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1.5x scale

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.