Home / 762,840.05-1,052,768.48-423,308.30

Finding the Fourth Proportional to 762,840.05, 1,052,768.48 and 423,308.30

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Solution

The fourth proportional to 762,840.05, 1,052,768.48 and 423,308.30 is: 584,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,840.05 : 1,052,768.48 = 423,308.30 : x
  2. Step 2: Convert to fraction form
    762,840.05/1,052,768.48 = 423,308.30/x
  3. Step 3: Cross multiply
    762,840.05x = 1,052,768.48 × 423,308.30
  4. Step 4: Simplify right side
    762,840.05x = 445,645,628,182.00
  5. Step 5: Solve for x
    x = 445,645,628,182.00/762,840.05
  6. Step 6: Final answer
    x = 584,192.76

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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.