Home / 840,892.35-1,260,588.60-308,289.27

Finding the Fourth Proportional to 840,892.35, 1,260,588.60 and 308,289.27

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Solution

The fourth proportional to 840,892.35, 1,260,588.60 and 308,289.27 is: 462,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,892.35 : 1,260,588.60 = 308,289.27 : x
  2. Step 2: Convert to fraction form
    840,892.35/1,260,588.60 = 308,289.27/x
  3. Step 3: Cross multiply
    840,892.35x = 1,260,588.60 × 308,289.27
  4. Step 4: Simplify right side
    840,892.35x = 388,625,939,264.32
  5. Step 5: Solve for x
    x = 388,625,939,264.32/840,892.35
  6. Step 6: Final answer
    x = 462,158.97

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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.