Home / 899,475.84-1,349,408.16-338,508.72

Finding the Fourth Proportional to 899,475.84, 1,349,408.16 and 338,508.72

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Solution

The fourth proportional to 899,475.84, 1,349,408.16 and 338,508.72 is: 507,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,475.84 : 1,349,408.16 = 338,508.72 : x
  2. Step 2: Convert to fraction form
    899,475.84/1,349,408.16 = 338,508.72/x
  3. Step 3: Cross multiply
    899,475.84x = 1,349,408.16 × 338,508.72
  4. Step 4: Simplify right side
    899,475.84x = 456,786,428,999.16
  5. Step 5: Solve for x
    x = 456,786,428,999.16/899,475.84
  6. Step 6: Final answer
    x = 507,836.24

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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.