Home / 822,075.93-1,230,013.22-485,299.80

Finding the Fourth Proportional to 822,075.93, 1,230,013.22 and 485,299.80

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Solution

The fourth proportional to 822,075.93, 1,230,013.22 and 485,299.80 is: 726,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,075.93 : 1,230,013.22 = 485,299.80 : x
  2. Step 2: Convert to fraction form
    822,075.93/1,230,013.22 = 485,299.80/x
  3. Step 3: Cross multiply
    822,075.93x = 1,230,013.22 × 485,299.80
  4. Step 4: Simplify right side
    822,075.93x = 596,925,167,236.86
  5. Step 5: Solve for x
    x = 596,925,167,236.86/822,075.93
  6. Step 6: Final answer
    x = 726,119.26

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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.