Home / 850,312.73-1,173,387.27-528,015.90

Finding the Fourth Proportional to 850,312.73, 1,173,387.27 and 528,015.90

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Solution

The fourth proportional to 850,312.73, 1,173,387.27 and 528,015.90 is: 728,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,312.73 : 1,173,387.27 = 528,015.90 : x
  2. Step 2: Convert to fraction form
    850,312.73/1,173,387.27 = 528,015.90/x
  3. Step 3: Cross multiply
    850,312.73x = 1,173,387.27 × 528,015.90
  4. Step 4: Simplify right side
    850,312.73x = 619,567,141,797.86
  5. Step 5: Solve for x
    x = 619,567,141,797.86/850,312.73
  6. Step 6: Final answer
    x = 728,634.45

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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.