Home / 781,069.90-1,171,604.85-282,317.26

Finding the Fourth Proportional to 781,069.90, 1,171,604.85 and 282,317.26

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Solution

The fourth proportional to 781,069.90, 1,171,604.85 and 282,317.26 is: 423,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,069.90 : 1,171,604.85 = 282,317.26 : x
  2. Step 2: Convert to fraction form
    781,069.90/1,171,604.85 = 282,317.26/x
  3. Step 3: Cross multiply
    781,069.90x = 1,171,604.85 × 282,317.26
  4. Step 4: Simplify right side
    781,069.90x = 330,764,271,054.71
  5. Step 5: Solve for x
    x = 330,764,271,054.71/781,069.90
  6. Step 6: Final answer
    x = 423,475.89

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Double scale
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Similar ratio
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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.