Home / 725,041.58-1,085,905.71-346,227.66

Finding the Fourth Proportional to 725,041.58, 1,085,905.71 and 346,227.66

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Solution

The fourth proportional to 725,041.58, 1,085,905.71 and 346,227.66 is: 518,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,041.58 : 1,085,905.71 = 346,227.66 : x
  2. Step 2: Convert to fraction form
    725,041.58/1,085,905.71 = 346,227.66/x
  3. Step 3: Cross multiply
    725,041.58x = 1,085,905.71 × 346,227.66
  4. Step 4: Simplify right side
    725,041.58x = 375,970,592,953.94
  5. Step 5: Solve for x
    x = 375,970,592,953.94/725,041.58
  6. Step 6: Final answer
    x = 518,550.39

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Double scale
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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.