Home / 479,988.03-662,370.78-265,123.47

Finding the Fourth Proportional to 479,988.03, 662,370.78 and 265,123.47

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Solution

The fourth proportional to 479,988.03, 662,370.78 and 265,123.47 is: 365,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,988.03 : 662,370.78 = 265,123.47 : x
  2. Step 2: Convert to fraction form
    479,988.03/662,370.78 = 265,123.47/x
  3. Step 3: Cross multiply
    479,988.03x = 662,370.78 × 265,123.47
  4. Step 4: Simplify right side
    479,988.03x = 175,610,039,620.21
  5. Step 5: Solve for x
    x = 175,610,039,620.21/479,988.03
  6. Step 6: Final answer
    x = 365,863.37

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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.