Home / 727,101.31-1,089,631.09-574,628.02

Finding the Fourth Proportional to 727,101.31, 1,089,631.09 and 574,628.02

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Solution

The fourth proportional to 727,101.31, 1,089,631.09 and 574,628.02 is: 861,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,101.31 : 1,089,631.09 = 574,628.02 : x
  2. Step 2: Convert to fraction form
    727,101.31/1,089,631.09 = 574,628.02/x
  3. Step 3: Cross multiply
    727,101.31x = 1,089,631.09 × 574,628.02
  4. Step 4: Simplify right side
    727,101.31x = 626,132,558,501.22
  5. Step 5: Solve for x
    x = 626,132,558,501.22/727,101.31
  6. Step 6: Final answer
    x = 861,135.24

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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.