Home / 985,595.22-1,478,575.18-311,846.13

Finding the Fourth Proportional to 985,595.22, 1,478,575.18 and 311,846.13

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Solution

The fourth proportional to 985,595.22, 1,478,575.18 and 311,846.13 is: 467,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,595.22 : 1,478,575.18 = 311,846.13 : x
  2. Step 2: Convert to fraction form
    985,595.22/1,478,575.18 = 311,846.13/x
  3. Step 3: Cross multiply
    985,595.22x = 1,478,575.18 × 311,846.13
  4. Step 4: Simplify right side
    985,595.22x = 461,087,947,797.05
  5. Step 5: Solve for x
    x = 461,087,947,797.05/985,595.22
  6. Step 6: Final answer
    x = 467,826.89

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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.