Home / 790,038.54-1,090,245.39-427,454.43

Finding the Fourth Proportional to 790,038.54, 1,090,245.39 and 427,454.43

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Solution

The fourth proportional to 790,038.54, 1,090,245.39 and 427,454.43 is: 589,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,038.54 : 1,090,245.39 = 427,454.43 : x
  2. Step 2: Convert to fraction form
    790,038.54/1,090,245.39 = 427,454.43/x
  3. Step 3: Cross multiply
    790,038.54x = 1,090,245.39 × 427,454.43
  4. Step 4: Simplify right side
    790,038.54x = 466,030,221,742.58
  5. Step 5: Solve for x
    x = 466,030,221,742.58/790,038.54
  6. Step 6: Final answer
    x = 589,882.90

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1.5x scale

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.