Home / 755,043.83-1,041,960.62-415,512.08

Finding the Fourth Proportional to 755,043.83, 1,041,960.62 and 415,512.08

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Solution

The fourth proportional to 755,043.83, 1,041,960.62 and 415,512.08 is: 573,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,043.83 : 1,041,960.62 = 415,512.08 : x
  2. Step 2: Convert to fraction form
    755,043.83/1,041,960.62 = 415,512.08/x
  3. Step 3: Cross multiply
    755,043.83x = 1,041,960.62 × 415,512.08
  4. Step 4: Simplify right side
    755,043.83x = 432,947,217,206.93
  5. Step 5: Solve for x
    x = 432,947,217,206.93/755,043.83
  6. Step 6: Final answer
    x = 573,406.74

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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.