Home / 820,798.12-1,133,172.66-625,674.04

Finding the Fourth Proportional to 820,798.12, 1,133,172.66 and 625,674.04

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Solution

The fourth proportional to 820,798.12, 1,133,172.66 and 625,674.04 is: 863,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,798.12 : 1,133,172.66 = 625,674.04 : x
  2. Step 2: Convert to fraction form
    820,798.12/1,133,172.66 = 625,674.04/x
  3. Step 3: Cross multiply
    820,798.12x = 1,133,172.66 × 625,674.04
  4. Step 4: Simplify right side
    820,798.12x = 708,996,716,199.75
  5. Step 5: Solve for x
    x = 708,996,716,199.75/820,798.12
  6. Step 6: Final answer
    x = 863,789.40

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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.