Home / 767,725.29-1,059,461.01-428,193.54

Finding the Fourth Proportional to 767,725.29, 1,059,461.01 and 428,193.54

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Solution

The fourth proportional to 767,725.29, 1,059,461.01 and 428,193.54 is: 590,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,725.29 : 1,059,461.01 = 428,193.54 : x
  2. Step 2: Convert to fraction form
    767,725.29/1,059,461.01 = 428,193.54/x
  3. Step 3: Cross multiply
    767,725.29x = 1,059,461.01 × 428,193.54
  4. Step 4: Simplify right side
    767,725.29x = 453,654,360,363.88
  5. Step 5: Solve for x
    x = 453,654,360,363.88/767,725.29
  6. Step 6: Final answer
    x = 590,907.15

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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.