Home / 832,739.21-1,248,921.91-383,028.11

Finding the Fourth Proportional to 832,739.21, 1,248,921.91 and 383,028.11

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Solution

The fourth proportional to 832,739.21, 1,248,921.91 and 383,028.11 is: 574,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,739.21 : 1,248,921.91 = 383,028.11 : x
  2. Step 2: Convert to fraction form
    832,739.21/1,248,921.91 = 383,028.11/x
  3. Step 3: Cross multiply
    832,739.21x = 1,248,921.91 × 383,028.11
  4. Step 4: Simplify right side
    832,739.21x = 478,372,196,809.75
  5. Step 5: Solve for x
    x = 478,372,196,809.75/832,739.21
  6. Step 6: Final answer
    x = 574,456.19

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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.