Home / 985,603.65-1,478,588.00-311,854.56

Finding the Fourth Proportional to 985,603.65, 1,478,588.00 and 311,854.56

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Solution

The fourth proportional to 985,603.65, 1,478,588.00 and 311,854.56 is: 467,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,603.65 : 1,478,588.00 = 311,854.56 : x
  2. Step 2: Convert to fraction form
    985,603.65/1,478,588.00 = 311,854.56/x
  3. Step 3: Cross multiply
    985,603.65x = 1,478,588.00 × 311,854.56
  4. Step 4: Simplify right side
    985,603.65x = 461,104,408,602.01
  5. Step 5: Solve for x
    x = 461,104,408,602.01/985,603.65
  6. Step 6: Final answer
    x = 467,839.59

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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.