Home / 790,540.79-1,090,946.66-427,964.65

Finding the Fourth Proportional to 790,540.79, 1,090,946.66 and 427,964.65

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Solution

The fourth proportional to 790,540.79, 1,090,946.66 and 427,964.65 is: 590,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,540.79 : 1,090,946.66 = 427,964.65 : x
  2. Step 2: Convert to fraction form
    790,540.79/1,090,946.66 = 427,964.65/x
  3. Step 3: Cross multiply
    790,540.79x = 1,090,946.66 × 427,964.65
  4. Step 4: Simplify right side
    790,540.79x = 466,886,600,648.38
  5. Step 5: Solve for x
    x = 466,886,600,648.38/790,540.79
  6. Step 6: Final answer
    x = 590,591.41

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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.