Home / 839,651.68-1,258,579.52-479,045.52

Finding the Fourth Proportional to 839,651.68, 1,258,579.52 and 479,045.52

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Solution

The fourth proportional to 839,651.68, 1,258,579.52 and 479,045.52 is: 718,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,651.68 : 1,258,579.52 = 479,045.52 : x
  2. Step 2: Convert to fraction form
    839,651.68/1,258,579.52 = 479,045.52/x
  3. Step 3: Cross multiply
    839,651.68x = 1,258,579.52 × 479,045.52
  4. Step 4: Simplify right side
    839,651.68x = 602,916,880,619.75
  5. Step 5: Solve for x
    x = 602,916,880,619.75/839,651.68
  6. Step 6: Final answer
    x = 718,055.95

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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.