Home / 822,075.80-1,232,822.10-289,614.20

Finding the Fourth Proportional to 822,075.80, 1,232,822.10 and 289,614.20

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Solution

The fourth proportional to 822,075.80, 1,232,822.10 and 289,614.20 is: 434,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,075.80 : 1,232,822.10 = 289,614.20 : x
  2. Step 2: Convert to fraction form
    822,075.80/1,232,822.10 = 289,614.20/x
  3. Step 3: Cross multiply
    822,075.80x = 1,232,822.10 × 289,614.20
  4. Step 4: Simplify right side
    822,075.80x = 357,042,786,233.82
  5. Step 5: Solve for x
    x = 357,042,786,233.82/822,075.80
  6. Step 6: Final answer
    x = 434,318.57

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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.