Home / 727,079.49-1,089,656.96-557,953.52

Finding the Fourth Proportional to 727,079.49, 1,089,656.96 and 557,953.52

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Solution

The fourth proportional to 727,079.49, 1,089,656.96 and 557,953.52 is: 836,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,079.49 : 1,089,656.96 = 557,953.52 : x
  2. Step 2: Convert to fraction form
    727,079.49/1,089,656.96 = 557,953.52/x
  3. Step 3: Cross multiply
    727,079.49x = 1,089,656.96 × 557,953.52
  4. Step 4: Simplify right side
    727,079.49x = 607,977,928,186.45
  5. Step 5: Solve for x
    x = 607,977,928,186.45/727,079.49
  6. Step 6: Final answer
    x = 836,191.83

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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.