Home / 656,126.46-905,450.40-369,738.54

Finding the Fourth Proportional to 656,126.46, 905,450.40 and 369,738.54

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Solution

The fourth proportional to 656,126.46, 905,450.40 and 369,738.54 is: 510,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,126.46 : 905,450.40 = 369,738.54 : x
  2. Step 2: Convert to fraction form
    656,126.46/905,450.40 = 369,738.54/x
  3. Step 3: Cross multiply
    656,126.46x = 905,450.40 × 369,738.54
  4. Step 4: Simplify right side
    656,126.46x = 334,779,908,938.42
  5. Step 5: Solve for x
    x = 334,779,908,938.42/656,126.46
  6. Step 6: Final answer
    x = 510,236.87

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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.