Home / 745,176.42-1,117,090.53-271,750.86

Finding the Fourth Proportional to 745,176.42, 1,117,090.53 and 271,750.86

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Solution

The fourth proportional to 745,176.42, 1,117,090.53 and 271,750.86 is: 407,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,176.42 : 1,117,090.53 = 271,750.86 : x
  2. Step 2: Convert to fraction form
    745,176.42/1,117,090.53 = 271,750.86/x
  3. Step 3: Cross multiply
    745,176.42x = 1,117,090.53 × 271,750.86
  4. Step 4: Simplify right side
    745,176.42x = 303,570,312,225.36
  5. Step 5: Solve for x
    x = 303,570,312,225.36/745,176.42
  6. Step 6: Final answer
    x = 407,380.46

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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.