Home / 501,822.20-753,608.10-486,075.80

Finding the Fourth Proportional to 501,822.20, 753,608.10 and 486,075.80

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Solution

The fourth proportional to 501,822.20, 753,608.10 and 486,075.80 is: 729,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,822.20 : 753,608.10 = 486,075.80 : x
  2. Step 2: Convert to fraction form
    501,822.20/753,608.10 = 486,075.80/x
  3. Step 3: Cross multiply
    501,822.20x = 753,608.10 × 486,075.80
  4. Step 4: Simplify right side
    501,822.20x = 366,310,660,093.98
  5. Step 5: Solve for x
    x = 366,310,660,093.98/501,822.20
  6. Step 6: Final answer
    x = 729,961.05

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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.