Home / 739,470.68-1,019,999.82-484,838.36

Finding the Fourth Proportional to 739,470.68, 1,019,999.82 and 484,838.36

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Solution

The fourth proportional to 739,470.68, 1,019,999.82 and 484,838.36 is: 668,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,470.68 : 1,019,999.82 = 484,838.36 : x
  2. Step 2: Convert to fraction form
    739,470.68/1,019,999.82 = 484,838.36/x
  3. Step 3: Cross multiply
    739,470.68x = 1,019,999.82 × 484,838.36
  4. Step 4: Simplify right side
    739,470.68x = 494,535,039,929.10
  5. Step 5: Solve for x
    x = 494,535,039,929.10/739,470.68
  6. Step 6: Final answer
    x = 668,768.96

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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.