Home / 850,999.21-1,276,592.22-424,642.34

Finding the Fourth Proportional to 850,999.21, 1,276,592.22 and 424,642.34

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Solution

The fourth proportional to 850,999.21, 1,276,592.22 and 424,642.34 is: 637,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,999.21 : 1,276,592.22 = 424,642.34 : x
  2. Step 2: Convert to fraction form
    850,999.21/1,276,592.22 = 424,642.34/x
  3. Step 3: Cross multiply
    850,999.21x = 1,276,592.22 × 424,642.34
  4. Step 4: Simplify right side
    850,999.21x = 542,095,110,718.08
  5. Step 5: Solve for x
    x = 542,095,110,718.08/850,999.21
  6. Step 6: Final answer
    x = 637,010.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.