Home / 790,787.80-1,184,568.90-490,346.20

Finding the Fourth Proportional to 790,787.80, 1,184,568.90 and 490,346.20

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Solution

The fourth proportional to 790,787.80, 1,184,568.90 and 490,346.20 is: 734,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,787.80 : 1,184,568.90 = 490,346.20 : x
  2. Step 2: Convert to fraction form
    790,787.80/1,184,568.90 = 490,346.20/x
  3. Step 3: Cross multiply
    790,787.80x = 1,184,568.90 × 490,346.20
  4. Step 4: Simplify right side
    790,787.80x = 580,848,858,753.18
  5. Step 5: Solve for x
    x = 580,848,858,753.18/790,787.80
  6. Step 6: Final answer
    x = 734,519.25

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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.