Home / 433,741.17-649,438.07-306,858.72

Finding the Fourth Proportional to 433,741.17, 649,438.07 and 306,858.72

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Solution

The fourth proportional to 433,741.17, 649,438.07 and 306,858.72 is: 459,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,741.17 : 649,438.07 = 306,858.72 : x
  2. Step 2: Convert to fraction form
    433,741.17/649,438.07 = 306,858.72/x
  3. Step 3: Cross multiply
    433,741.17x = 649,438.07 × 306,858.72
  4. Step 4: Simplify right side
    433,741.17x = 199,285,733,345.18
  5. Step 5: Solve for x
    x = 199,285,733,345.18/433,741.17
  6. Step 6: Final answer
    x = 459,457.73

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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.