Home / 433,705.55-598,785.33-278,719.70

Finding the Fourth Proportional to 433,705.55, 598,785.33 and 278,719.70

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Solution

The fourth proportional to 433,705.55, 598,785.33 and 278,719.70 is: 384,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,705.55 : 598,785.33 = 278,719.70 : x
  2. Step 2: Convert to fraction form
    433,705.55/598,785.33 = 278,719.70/x
  3. Step 3: Cross multiply
    433,705.55x = 598,785.33 × 278,719.70
  4. Step 4: Simplify right side
    433,705.55x = 166,893,264,548.07
  5. Step 5: Solve for x
    x = 166,893,264,548.07/433,705.55
  6. Step 6: Final answer
    x = 384,807.77

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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.