Home / 825,313.32-1,238,155.74-292,833.36

Finding the Fourth Proportional to 825,313.32, 1,238,155.74 and 292,833.36

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Solution

The fourth proportional to 825,313.32, 1,238,155.74 and 292,833.36 is: 439,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,313.32 : 1,238,155.74 = 292,833.36 : x
  2. Step 2: Convert to fraction form
    825,313.32/1,238,155.74 = 292,833.36/x
  3. Step 3: Cross multiply
    825,313.32x = 1,238,155.74 × 292,833.36
  4. Step 4: Simplify right side
    825,313.32x = 362,573,305,547.49
  5. Step 5: Solve for x
    x = 362,573,305,547.49/825,313.32
  6. Step 6: Final answer
    x = 439,315.95

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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.