Home / 832,782.21-1,248,986.52-383,071.20

Finding the Fourth Proportional to 832,782.21, 1,248,986.52 and 383,071.20

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Solution

The fourth proportional to 832,782.21, 1,248,986.52 and 383,071.20 is: 574,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,782.21 : 1,248,986.52 = 383,071.20 : x
  2. Step 2: Convert to fraction form
    832,782.21/1,248,986.52 = 383,071.20/x
  3. Step 3: Cross multiply
    832,782.21x = 1,248,986.52 × 383,071.20
  4. Step 4: Simplify right side
    832,782.21x = 478,450,765,000.22
  5. Step 5: Solve for x
    x = 478,450,765,000.22/832,782.21
  6. Step 6: Final answer
    x = 574,520.88

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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.