Home / 719,818.64-1,080,382.80-383,142.32

Finding the Fourth Proportional to 719,818.64, 1,080,382.80 and 383,142.32

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Solution

The fourth proportional to 719,818.64, 1,080,382.80 and 383,142.32 is: 575,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,818.64 : 1,080,382.80 = 383,142.32 : x
  2. Step 2: Convert to fraction form
    719,818.64/1,080,382.80 = 383,142.32/x
  3. Step 3: Cross multiply
    719,818.64x = 1,080,382.80 × 383,142.32
  4. Step 4: Simplify right side
    719,818.64x = 413,940,372,480.10
  5. Step 5: Solve for x
    x = 413,940,372,480.10/719,818.64
  6. Step 6: Final answer
    x = 575,062.04

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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.