Home / 689,206.48-1,032,911.22-351,962.88

Finding the Fourth Proportional to 689,206.48, 1,032,911.22 and 351,962.88

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Solution

The fourth proportional to 689,206.48, 1,032,911.22 and 351,962.88 is: 527,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,206.48 : 1,032,911.22 = 351,962.88 : x
  2. Step 2: Convert to fraction form
    689,206.48/1,032,911.22 = 351,962.88/x
  3. Step 3: Cross multiply
    689,206.48x = 1,032,911.22 × 351,962.88
  4. Step 4: Simplify right side
    689,206.48x = 363,546,407,775.51
  5. Step 5: Solve for x
    x = 363,546,407,775.51/689,206.48
  6. Step 6: Final answer
    x = 527,485.48

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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.