Home / 825,576.36-1,238,479.32-292,970.76

Finding the Fourth Proportional to 825,576.36, 1,238,479.32 and 292,970.76

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Solution

The fourth proportional to 825,576.36, 1,238,479.32 and 292,970.76 is: 439,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,576.36 : 1,238,479.32 = 292,970.76 : x
  2. Step 2: Convert to fraction form
    825,576.36/1,238,479.32 = 292,970.76/x
  3. Step 3: Cross multiply
    825,576.36x = 1,238,479.32 × 292,970.76
  4. Step 4: Simplify right side
    825,576.36x = 362,838,227,624.68
  5. Step 5: Solve for x
    x = 362,838,227,624.68/825,576.36
  6. Step 6: Final answer
    x = 439,496.87

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1.5x scale

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.