Home / 791,319.30-1,186,980.43-192,280.96

Finding the Fourth Proportional to 791,319.30, 1,186,980.43 and 192,280.96

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Solution

The fourth proportional to 791,319.30, 1,186,980.43 and 192,280.96 is: 288,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,319.30 : 1,186,980.43 = 192,280.96 : x
  2. Step 2: Convert to fraction form
    791,319.30/1,186,980.43 = 192,280.96/x
  3. Step 3: Cross multiply
    791,319.30x = 1,186,980.43 × 192,280.96
  4. Step 4: Simplify right side
    791,319.30x = 228,233,736,581.61
  5. Step 5: Solve for x
    x = 228,233,736,581.61/791,319.30
  6. Step 6: Final answer
    x = 288,421.80

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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.