Home / 907,382.54-1,361,008.20-433,940.78

Finding the Fourth Proportional to 907,382.54, 1,361,008.20 and 433,940.78

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Solution

The fourth proportional to 907,382.54, 1,361,008.20 and 433,940.78 is: 650,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,382.54 : 1,361,008.20 = 433,940.78 : x
  2. Step 2: Convert to fraction form
    907,382.54/1,361,008.20 = 433,940.78/x
  3. Step 3: Cross multiply
    907,382.54x = 1,361,008.20 × 433,940.78
  4. Step 4: Simplify right side
    907,382.54x = 590,596,954,864.60
  5. Step 5: Solve for x
    x = 590,596,954,864.60/907,382.54
  6. Step 6: Final answer
    x = 650,879.79

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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.