Home / 860,778.34-1,289,671.20-604,066.48

Finding the Fourth Proportional to 860,778.34, 1,289,671.20 and 604,066.48

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Solution

The fourth proportional to 860,778.34, 1,289,671.20 and 604,066.48 is: 905,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,778.34 : 1,289,671.20 = 604,066.48 : x
  2. Step 2: Convert to fraction form
    860,778.34/1,289,671.20 = 604,066.48/x
  3. Step 3: Cross multiply
    860,778.34x = 1,289,671.20 × 604,066.48
  4. Step 4: Simplify right side
    860,778.34x = 779,047,142,141.38
  5. Step 5: Solve for x
    x = 779,047,142,141.38/860,778.34
  6. Step 6: Final answer
    x = 905,049.66

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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.