Home / 825,502.21-1,238,240.95-286,151.10

Finding the Fourth Proportional to 825,502.21, 1,238,240.95 and 286,151.10

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Solution

The fourth proportional to 825,502.21, 1,238,240.95 and 286,151.10 is: 429,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,502.21 : 1,238,240.95 = 286,151.10 : x
  2. Step 2: Convert to fraction form
    825,502.21/1,238,240.95 = 286,151.10/x
  3. Step 3: Cross multiply
    825,502.21x = 1,238,240.95 × 286,151.10
  4. Step 4: Simplify right side
    825,502.21x = 354,324,009,907.55
  5. Step 5: Solve for x
    x = 354,324,009,907.55/825,502.21
  6. Step 6: Final answer
    x = 429,222.36

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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.