Home / 628,289.08-867,042.69-341,811.21

Finding the Fourth Proportional to 628,289.08, 867,042.69 and 341,811.21

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Solution

The fourth proportional to 628,289.08, 867,042.69 and 341,811.21 is: 471,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,289.08 : 867,042.69 = 341,811.21 : x
  2. Step 2: Convert to fraction form
    628,289.08/867,042.69 = 341,811.21/x
  3. Step 3: Cross multiply
    628,289.08x = 867,042.69 × 341,811.21
  4. Step 4: Simplify right side
    628,289.08x = 296,364,914,012.69
  5. Step 5: Solve for x
    x = 296,364,914,012.69/628,289.08
  6. Step 6: Final answer
    x = 471,701.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.