Home / 840,894.85-1,260,592.35-308,291.77

Finding the Fourth Proportional to 840,894.85, 1,260,592.35 and 308,291.77

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Solution

The fourth proportional to 840,894.85, 1,260,592.35 and 308,291.77 is: 462,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,894.85 : 1,260,592.35 = 308,291.77 : x
  2. Step 2: Convert to fraction form
    840,894.85/1,260,592.35 = 308,291.77/x
  3. Step 3: Cross multiply
    840,894.85x = 1,260,592.35 × 308,291.77
  4. Step 4: Simplify right side
    840,894.85x = 388,630,246,829.96
  5. Step 5: Solve for x
    x = 388,630,246,829.96/840,894.85
  6. Step 6: Final answer
    x = 462,162.71

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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.