Home / 743,347.30-1,115,063.19-210,826.18

Finding the Fourth Proportional to 743,347.30, 1,115,063.19 and 210,826.18

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Solution

The fourth proportional to 743,347.30, 1,115,063.19 and 210,826.18 is: 316,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,347.30 : 1,115,063.19 = 210,826.18 : x
  2. Step 2: Convert to fraction form
    743,347.30/1,115,063.19 = 210,826.18/x
  3. Step 3: Cross multiply
    743,347.30x = 1,115,063.19 × 210,826.18
  4. Step 4: Simplify right side
    743,347.30x = 235,084,512,806.31
  5. Step 5: Solve for x
    x = 235,084,512,806.31/743,347.30
  6. Step 6: Final answer
    x = 316,251.25

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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.