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Finding the Fourth Proportional to 656,062.32, 905,361.84 and 369,674.64

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Solution

The fourth proportional to 656,062.32, 905,361.84 and 369,674.64 is: 510,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,062.32 : 905,361.84 = 369,674.64 : x
  2. Step 2: Convert to fraction form
    656,062.32/905,361.84 = 369,674.64/x
  3. Step 3: Cross multiply
    656,062.32x = 905,361.84 × 369,674.64
  4. Step 4: Simplify right side
    656,062.32x = 334,689,312,271.74
  5. Step 5: Solve for x
    x = 334,689,312,271.74/656,062.32
  6. Step 6: Final answer
    x = 510,148.66

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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.