Home / 825,500.77-1,238,374.15-292,977.20

Finding the Fourth Proportional to 825,500.77, 1,238,374.15 and 292,977.20

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Solution

The fourth proportional to 825,500.77, 1,238,374.15 and 292,977.20 is: 439,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,500.77 : 1,238,374.15 = 292,977.20 : x
  2. Step 2: Convert to fraction form
    825,500.77/1,238,374.15 = 292,977.20/x
  3. Step 3: Cross multiply
    825,500.77x = 1,238,374.15 × 292,977.20
  4. Step 4: Simplify right side
    825,500.77x = 362,815,393,382.87
  5. Step 5: Solve for x
    x = 362,815,393,382.87/825,500.77
  6. Step 6: Final answer
    x = 439,509.46

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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.