Home / 790,852.10-1,185,479.35-311,416.34

Finding the Fourth Proportional to 790,852.10, 1,185,479.35 and 311,416.34

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Solution

The fourth proportional to 790,852.10, 1,185,479.35 and 311,416.34 is: 466,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,852.10 : 1,185,479.35 = 311,416.34 : x
  2. Step 2: Convert to fraction form
    790,852.10/1,185,479.35 = 311,416.34/x
  3. Step 3: Cross multiply
    790,852.10x = 1,185,479.35 × 311,416.34
  4. Step 4: Simplify right side
    790,852.10x = 369,177,640,322.58
  5. Step 5: Solve for x
    x = 369,177,640,322.58/790,852.10
  6. Step 6: Final answer
    x = 466,809.96

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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.