Home / 764,408.27-1,146,722.51-284,595.35

Finding the Fourth Proportional to 764,408.27, 1,146,722.51 and 284,595.35

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Solution

The fourth proportional to 764,408.27, 1,146,722.51 and 284,595.35 is: 426,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,408.27 : 1,146,722.51 = 284,595.35 : x
  2. Step 2: Convert to fraction form
    764,408.27/1,146,722.51 = 284,595.35/x
  3. Step 3: Cross multiply
    764,408.27x = 1,146,722.51 × 284,595.35
  4. Step 4: Simplify right side
    764,408.27x = 326,351,889,064.20
  5. Step 5: Solve for x
    x = 326,351,889,064.20/764,408.27
  6. Step 6: Final answer
    x = 426,934.01

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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.