Home / 739,004.26-1,019,296.70-480,398.80

Finding the Fourth Proportional to 739,004.26, 1,019,296.70 and 480,398.80

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Solution

The fourth proportional to 739,004.26, 1,019,296.70 and 480,398.80 is: 662,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,004.26 : 1,019,296.70 = 480,398.80 : x
  2. Step 2: Convert to fraction form
    739,004.26/1,019,296.70 = 480,398.80/x
  3. Step 3: Cross multiply
    739,004.26x = 1,019,296.70 × 480,398.80
  4. Step 4: Simplify right side
    739,004.26x = 489,668,911,523.96
  5. Step 5: Solve for x
    x = 489,668,911,523.96/739,004.26
  6. Step 6: Final answer
    x = 662,606.34

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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.