Home / 793,210.08-1,189,406.88-319,768.32

Finding the Fourth Proportional to 793,210.08, 1,189,406.88 and 319,768.32

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Solution

The fourth proportional to 793,210.08, 1,189,406.88 and 319,768.32 is: 479,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,210.08 : 1,189,406.88 = 319,768.32 : x
  2. Step 2: Convert to fraction form
    793,210.08/1,189,406.88 = 319,768.32/x
  3. Step 3: Cross multiply
    793,210.08x = 1,189,406.88 × 319,768.32
  4. Step 4: Simplify right side
    793,210.08x = 380,334,639,814.04
  5. Step 5: Solve for x
    x = 380,334,639,814.04/793,210.08
  6. Step 6: Final answer
    x = 479,487.91

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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.