Home / 727,002.72-1,090,420.65-194,565.29

Finding the Fourth Proportional to 727,002.72, 1,090,420.65 and 194,565.29

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Solution

The fourth proportional to 727,002.72, 1,090,420.65 and 194,565.29 is: 291,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,002.72 : 1,090,420.65 = 194,565.29 : x
  2. Step 2: Convert to fraction form
    727,002.72/1,090,420.65 = 194,565.29/x
  3. Step 3: Cross multiply
    727,002.72x = 1,090,420.65 × 194,565.29
  4. Step 4: Simplify right side
    727,002.72x = 212,158,009,989.24
  5. Step 5: Solve for x
    x = 212,158,009,989.24/727,002.72
  6. Step 6: Final answer
    x = 291,825.61

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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.