Home / 764,021.88-1,053,911.10-477,043.74

Finding the Fourth Proportional to 764,021.88, 1,053,911.10 and 477,043.74

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Solution

The fourth proportional to 764,021.88, 1,053,911.10 and 477,043.74 is: 658,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,021.88 : 1,053,911.10 = 477,043.74 : x
  2. Step 2: Convert to fraction form
    764,021.88/1,053,911.10 = 477,043.74/x
  3. Step 3: Cross multiply
    764,021.88x = 1,053,911.10 × 477,043.74
  4. Step 4: Simplify right side
    764,021.88x = 502,761,692,771.51
  5. Step 5: Solve for x
    x = 502,761,692,771.51/764,021.88
  6. Step 6: Final answer
    x = 658,046.20

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Double scale
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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.