Home / 719,969.08-1,079,939.04-187,478.32

Finding the Fourth Proportional to 719,969.08, 1,079,939.04 and 187,478.32

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Solution

The fourth proportional to 719,969.08, 1,079,939.04 and 187,478.32 is: 281,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,969.08 : 1,079,939.04 = 187,478.32 : x
  2. Step 2: Convert to fraction form
    719,969.08/1,079,939.04 = 187,478.32/x
  3. Step 3: Cross multiply
    719,969.08x = 1,079,939.04 × 187,478.32
  4. Step 4: Simplify right side
    719,969.08x = 202,465,156,921.61
  5. Step 5: Solve for x
    x = 202,465,156,921.61/719,969.08
  6. Step 6: Final answer
    x = 281,213.68

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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.