Home / 673,018.75-928,733.07-401,080.42

Finding the Fourth Proportional to 673,018.75, 928,733.07 and 401,080.42

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Solution

The fourth proportional to 673,018.75, 928,733.07 and 401,080.42 is: 553,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,018.75 : 928,733.07 = 401,080.42 : x
  2. Step 2: Convert to fraction form
    673,018.75/928,733.07 = 401,080.42/x
  3. Step 3: Cross multiply
    673,018.75x = 928,733.07 × 401,080.42
  4. Step 4: Simplify right side
    673,018.75x = 372,496,649,783.49
  5. Step 5: Solve for x
    x = 372,496,649,783.49/673,018.75
  6. Step 6: Final answer
    x = 553,471.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.