Home / 878,035.68-1,211,621.76-496,097.28

Finding the Fourth Proportional to 878,035.68, 1,211,621.76 and 496,097.28

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Solution

The fourth proportional to 878,035.68, 1,211,621.76 and 496,097.28 is: 684,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,035.68 : 1,211,621.76 = 496,097.28 : x
  2. Step 2: Convert to fraction form
    878,035.68/1,211,621.76 = 496,097.28/x
  3. Step 3: Cross multiply
    878,035.68x = 1,211,621.76 × 496,097.28
  4. Step 4: Simplify right side
    878,035.68x = 601,082,259,524.81
  5. Step 5: Solve for x
    x = 601,082,259,524.81/878,035.68
  6. Step 6: Final answer
    x = 684,576.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.