Home / 980,877.21-1,353,731.49-551,148

Finding the Fourth Proportional to 980,877.21, 1,353,731.49 and 551,148

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Solution

The fourth proportional to 980,877.21, 1,353,731.49 and 551,148 is: 760,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,877.21 : 1,353,731.49 = 551,148 : x
  2. Step 2: Convert to fraction form
    980,877.21/1,353,731.49 = 551,148/x
  3. Step 3: Cross multiply
    980,877.21x = 1,353,731.49 × 551,148
  4. Step 4: Simplify right side
    980,877.21x = 746,106,403,250.52
  5. Step 5: Solve for x
    x = 746,106,403,250.52/980,877.21
  6. Step 6: Final answer
    x = 760,652.20

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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.