Home / 770,504.86-1,063,238.97-430,907.50

Finding the Fourth Proportional to 770,504.86, 1,063,238.97 and 430,907.50

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Solution

The fourth proportional to 770,504.86, 1,063,238.97 and 430,907.50 is: 594,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,504.86 : 1,063,238.97 = 430,907.50 : x
  2. Step 2: Convert to fraction form
    770,504.86/1,063,238.97 = 430,907.50/x
  3. Step 3: Cross multiply
    770,504.86x = 1,063,238.97 × 430,907.50
  4. Step 4: Simplify right side
    770,504.86x = 458,157,646,465.28
  5. Step 5: Solve for x
    x = 458,157,646,465.28/770,504.86
  6. Step 6: Final answer
    x = 594,620.06

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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.