Home / 719,562.89-1,079,156.15-213,987.62

Finding the Fourth Proportional to 719,562.89, 1,079,156.15 and 213,987.62

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Solution

The fourth proportional to 719,562.89, 1,079,156.15 and 213,987.62 is: 320,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,562.89 : 1,079,156.15 = 213,987.62 : x
  2. Step 2: Convert to fraction form
    719,562.89/1,079,156.15 = 213,987.62/x
  3. Step 3: Cross multiply
    719,562.89x = 1,079,156.15 × 213,987.62
  4. Step 4: Simplify right side
    719,562.89x = 230,926,055,076.93
  5. Step 5: Solve for x
    x = 230,926,055,076.93/719,562.89
  6. Step 6: Final answer
    x = 320,925.47

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1.5x scale

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.