Home / 762,774.63-1,052,628.98-423,297.51

Finding the Fourth Proportional to 762,774.63, 1,052,628.98 and 423,297.51

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Solution

The fourth proportional to 762,774.63, 1,052,628.98 and 423,297.51 is: 584,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,774.63 : 1,052,628.98 = 423,297.51 : x
  2. Step 2: Convert to fraction form
    762,774.63/1,052,628.98 = 423,297.51/x
  3. Step 3: Cross multiply
    762,774.63x = 1,052,628.98 × 423,297.51
  4. Step 4: Simplify right side
    762,774.63x = 445,575,226,187.84
  5. Step 5: Solve for x
    x = 445,575,226,187.84/762,774.63
  6. Step 6: Final answer
    x = 584,150.56

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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.