Home / 823,646.65-1,236,268.94-397,482.40

Finding the Fourth Proportional to 823,646.65, 1,236,268.94 and 397,482.40

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Solution

The fourth proportional to 823,646.65, 1,236,268.94 and 397,482.40 is: 596,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,646.65 : 1,236,268.94 = 397,482.40 : x
  2. Step 2: Convert to fraction form
    823,646.65/1,236,268.94 = 397,482.40/x
  3. Step 3: Cross multiply
    823,646.65x = 1,236,268.94 × 397,482.40
  4. Step 4: Simplify right side
    823,646.65x = 491,395,145,316.66
  5. Step 5: Solve for x
    x = 491,395,145,316.66/823,646.65
  6. Step 6: Final answer
    x = 596,609.17

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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.