Home / 825,871.60-1,238,807.40-264,962.80

Finding the Fourth Proportional to 825,871.60, 1,238,807.40 and 264,962.80

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Solution

The fourth proportional to 825,871.60, 1,238,807.40 and 264,962.80 is: 397,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,871.60 : 1,238,807.40 = 264,962.80 : x
  2. Step 2: Convert to fraction form
    825,871.60/1,238,807.40 = 264,962.80/x
  3. Step 3: Cross multiply
    825,871.60x = 1,238,807.40 × 264,962.80
  4. Step 4: Simplify right side
    825,871.60x = 328,237,877,364.72
  5. Step 5: Solve for x
    x = 328,237,877,364.72/825,871.60
  6. Step 6: Final answer
    x = 397,444.20

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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.