Home / 433,707.54-598,788.10-278,721.70

Finding the Fourth Proportional to 433,707.54, 598,788.10 and 278,721.70

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Solution

The fourth proportional to 433,707.54, 598,788.10 and 278,721.70 is: 384,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,707.54 : 598,788.10 = 278,721.70 : x
  2. Step 2: Convert to fraction form
    433,707.54/598,788.10 = 278,721.70/x
  3. Step 3: Cross multiply
    433,707.54x = 598,788.10 × 278,721.70
  4. Step 4: Simplify right side
    433,707.54x = 166,895,237,171.77
  5. Step 5: Solve for x
    x = 166,895,237,171.77/433,707.54
  6. Step 6: Final answer
    x = 384,810.55

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1.5x scale

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.