Home / 840,888.84-1,260,583.36-308,285.76

Finding the Fourth Proportional to 840,888.84, 1,260,583.36 and 308,285.76

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Solution

The fourth proportional to 840,888.84, 1,260,583.36 and 308,285.76 is: 462,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,888.84 : 1,260,583.36 = 308,285.76 : x
  2. Step 2: Convert to fraction form
    840,888.84/1,260,583.36 = 308,285.76/x
  3. Step 3: Cross multiply
    840,888.84x = 1,260,583.36 × 308,285.76
  4. Step 4: Simplify right side
    840,888.84x = 388,619,899,180.95
  5. Step 5: Solve for x
    x = 388,619,899,180.95/840,888.84
  6. Step 6: Final answer
    x = 462,153.71

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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.