Home / 479,986.59-662,368.80-265,122.04

Finding the Fourth Proportional to 479,986.59, 662,368.80 and 265,122.04

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Solution

The fourth proportional to 479,986.59, 662,368.80 and 265,122.04 is: 365,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,986.59 : 662,368.80 = 265,122.04 : x
  2. Step 2: Convert to fraction form
    479,986.59/662,368.80 = 265,122.04/x
  3. Step 3: Cross multiply
    479,986.59x = 662,368.80 × 265,122.04
  4. Step 4: Simplify right side
    479,986.59x = 175,608,567,488.35
  5. Step 5: Solve for x
    x = 175,608,567,488.35/479,986.59
  6. Step 6: Final answer
    x = 365,861.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.