Home / 750,676.47-1,035,936.35-406,512.56

Finding the Fourth Proportional to 750,676.47, 1,035,936.35 and 406,512.56

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Solution

The fourth proportional to 750,676.47, 1,035,936.35 and 406,512.56 is: 560,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,676.47 : 1,035,936.35 = 406,512.56 : x
  2. Step 2: Convert to fraction form
    750,676.47/1,035,936.35 = 406,512.56/x
  3. Step 3: Cross multiply
    750,676.47x = 1,035,936.35 × 406,512.56
  4. Step 4: Simplify right side
    750,676.47x = 421,121,130,423.31
  5. Step 5: Solve for x
    x = 421,121,130,423.31/750,676.47
  6. Step 6: Final answer
    x = 560,988.85

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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.