Home / 766,284.93-1,057,418.60-456,171.06

Finding the Fourth Proportional to 766,284.93, 1,057,418.60 and 456,171.06

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Solution

The fourth proportional to 766,284.93, 1,057,418.60 and 456,171.06 is: 629,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,284.93 : 1,057,418.60 = 456,171.06 : x
  2. Step 2: Convert to fraction form
    766,284.93/1,057,418.60 = 456,171.06/x
  3. Step 3: Cross multiply
    766,284.93x = 1,057,418.60 × 456,171.06
  4. Step 4: Simplify right side
    766,284.93x = 482,363,761,344.86
  5. Step 5: Solve for x
    x = 482,363,761,344.86/766,284.93
  6. Step 6: Final answer
    x = 629,483.55

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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.