Home / 755,810.50-1,043,018.49-416,278.75

Finding the Fourth Proportional to 755,810.50, 1,043,018.49 and 416,278.75

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Solution

The fourth proportional to 755,810.50, 1,043,018.49 and 416,278.75 is: 574,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,810.50 : 1,043,018.49 = 416,278.75 : x
  2. Step 2: Convert to fraction form
    755,810.50/1,043,018.49 = 416,278.75/x
  3. Step 3: Cross multiply
    755,810.50x = 1,043,018.49 × 416,278.75
  4. Step 4: Simplify right side
    755,810.50x = 434,186,433,244.09
  5. Step 5: Solve for x
    x = 434,186,433,244.09/755,810.50
  6. Step 6: Final answer
    x = 574,464.68

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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.