Home / 823,235.60-1,234,075.80-486,534.80

Finding the Fourth Proportional to 823,235.60, 1,234,075.80 and 486,534.80

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Solution

The fourth proportional to 823,235.60, 1,234,075.80 and 486,534.80 is: 729,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,235.60 : 1,234,075.80 = 486,534.80 : x
  2. Step 2: Convert to fraction form
    823,235.60/1,234,075.80 = 486,534.80/x
  3. Step 3: Cross multiply
    823,235.60x = 1,234,075.80 × 486,534.80
  4. Step 4: Simplify right side
    823,235.60x = 600,420,822,537.84
  5. Step 5: Solve for x
    x = 600,420,822,537.84/823,235.60
  6. Step 6: Final answer
    x = 729,342.64

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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.