Home / 434,567.20-650,538.60-382,079.20

Finding the Fourth Proportional to 434,567.20, 650,538.60 and 382,079.20

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Solution

The fourth proportional to 434,567.20, 650,538.60 and 382,079.20 is: 571,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,567.20 : 650,538.60 = 382,079.20 : x
  2. Step 2: Convert to fraction form
    434,567.20/650,538.60 = 382,079.20/x
  3. Step 3: Cross multiply
    434,567.20x = 650,538.60 × 382,079.20
  4. Step 4: Simplify right side
    434,567.20x = 248,557,267,857.12
  5. Step 5: Solve for x
    x = 248,557,267,857.12/434,567.20
  6. Step 6: Final answer
    x = 571,965.09

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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.