Home / 646,067.79-969,300.27-330,746.13

Finding the Fourth Proportional to 646,067.79, 969,300.27 and 330,746.13

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Solution

The fourth proportional to 646,067.79, 969,300.27 and 330,746.13 is: 496,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,067.79 : 969,300.27 = 330,746.13 : x
  2. Step 2: Convert to fraction form
    646,067.79/969,300.27 = 330,746.13/x
  3. Step 3: Cross multiply
    646,067.79x = 969,300.27 × 330,746.13
  4. Step 4: Simplify right side
    646,067.79x = 320,592,313,110.46
  5. Step 5: Solve for x
    x = 320,592,313,110.46/646,067.79
  6. Step 6: Final answer
    x = 496,220.86

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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.