Home / 673,725.40-1,009,421.70-436,946.20

Finding the Fourth Proportional to 673,725.40, 1,009,421.70 and 436,946.20

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Solution

The fourth proportional to 673,725.40, 1,009,421.70 and 436,946.20 is: 654,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,725.40 : 1,009,421.70 = 436,946.20 : x
  2. Step 2: Convert to fraction form
    673,725.40/1,009,421.70 = 436,946.20/x
  3. Step 3: Cross multiply
    673,725.40x = 1,009,421.70 × 436,946.20
  4. Step 4: Simplify right side
    673,725.40x = 441,062,976,012.54
  5. Step 5: Solve for x
    x = 441,062,976,012.54/673,725.40
  6. Step 6: Final answer
    x = 654,662.83

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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.