Home / 860,223.93-1,290,598.35-439,795.05

Finding the Fourth Proportional to 860,223.93, 1,290,598.35 and 439,795.05

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Solution

The fourth proportional to 860,223.93, 1,290,598.35 and 439,795.05 is: 659,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,223.93 : 1,290,598.35 = 439,795.05 : x
  2. Step 2: Convert to fraction form
    860,223.93/1,290,598.35 = 439,795.05/x
  3. Step 3: Cross multiply
    860,223.93x = 1,290,598.35 × 439,795.05
  4. Step 4: Simplify right side
    860,223.93x = 567,598,765,868.17
  5. Step 5: Solve for x
    x = 567,598,765,868.17/860,223.93
  6. Step 6: Final answer
    x = 659,826.76

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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.