Home / 794,374.10-1,190,783.55-320,426.90

Finding the Fourth Proportional to 794,374.10, 1,190,783.55 and 320,426.90

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Solution

The fourth proportional to 794,374.10, 1,190,783.55 and 320,426.90 is: 480,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,374.10 : 1,190,783.55 = 320,426.90 : x
  2. Step 2: Convert to fraction form
    794,374.10/1,190,783.55 = 320,426.90/x
  3. Step 3: Cross multiply
    794,374.10x = 1,190,783.55 × 320,426.90
  4. Step 4: Simplify right side
    794,374.10x = 381,559,081,497.50
  5. Step 5: Solve for x
    x = 381,559,081,497.50/794,374.10
  6. Step 6: Final answer
    x = 480,326.69

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Double scale
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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.