Home / 691,384.40-1,036,903.80-264,827.60

Finding the Fourth Proportional to 691,384.40, 1,036,903.80 and 264,827.60

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Solution

The fourth proportional to 691,384.40, 1,036,903.80 and 264,827.60 is: 397,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,384.40 : 1,036,903.80 = 264,827.60 : x
  2. Step 2: Convert to fraction form
    691,384.40/1,036,903.80 = 264,827.60/x
  3. Step 3: Cross multiply
    691,384.40x = 1,036,903.80 × 264,827.60
  4. Step 4: Simplify right side
    691,384.40x = 274,600,744,784.88
  5. Step 5: Solve for x
    x = 274,600,744,784.88/691,384.40
  6. Step 6: Final answer
    x = 397,175.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.