Home / 689,567.40-1,034,351.10-335,273.40

Finding the Fourth Proportional to 689,567.40, 1,034,351.10 and 335,273.40

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Solution

The fourth proportional to 689,567.40, 1,034,351.10 and 335,273.40 is: 502,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,567.40 : 1,034,351.10 = 335,273.40 : x
  2. Step 2: Convert to fraction form
    689,567.40/1,034,351.10 = 335,273.40/x
  3. Step 3: Cross multiply
    689,567.40x = 1,034,351.10 × 335,273.40
  4. Step 4: Simplify right side
    689,567.40x = 346,790,410,090.74
  5. Step 5: Solve for x
    x = 346,790,410,090.74/689,567.40
  6. Step 6: Final answer
    x = 502,910.10

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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.