Home / 656,085.20-905,393.40-369,697.52

Finding the Fourth Proportional to 656,085.20, 905,393.40 and 369,697.52

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Solution

The fourth proportional to 656,085.20, 905,393.40 and 369,697.52 is: 510,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,085.20 : 905,393.40 = 369,697.52 : x
  2. Step 2: Convert to fraction form
    656,085.20/905,393.40 = 369,697.52/x
  3. Step 3: Cross multiply
    656,085.20x = 905,393.40 × 369,697.52
  4. Step 4: Simplify right side
    656,085.20x = 334,721,694,604.37
  5. Step 5: Solve for x
    x = 334,721,694,604.37/656,085.20
  6. Step 6: Final answer
    x = 510,180.22

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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.