Home / 777,426.30-1,072,481.58-454,936.86

Finding the Fourth Proportional to 777,426.30, 1,072,481.58 and 454,936.86

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Solution

The fourth proportional to 777,426.30, 1,072,481.58 and 454,936.86 is: 627,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,426.30 : 1,072,481.58 = 454,936.86 : x
  2. Step 2: Convert to fraction form
    777,426.30/1,072,481.58 = 454,936.86/x
  3. Step 3: Cross multiply
    777,426.30x = 1,072,481.58 × 454,936.86
  4. Step 4: Simplify right side
    777,426.30x = 487,911,402,413.04
  5. Step 5: Solve for x
    x = 487,911,402,413.04/777,426.30
  6. Step 6: Final answer
    x = 627,598.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.