Home / 822,465.09-1,233,642.96-282,669.75

Finding the Fourth Proportional to 822,465.09, 1,233,642.96 and 282,669.75

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Solution

The fourth proportional to 822,465.09, 1,233,642.96 and 282,669.75 is: 423,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,465.09 : 1,233,642.96 = 282,669.75 : x
  2. Step 2: Convert to fraction form
    822,465.09/1,233,642.96 = 282,669.75/x
  3. Step 3: Cross multiply
    822,465.09x = 1,233,642.96 × 282,669.75
  4. Step 4: Simplify right side
    822,465.09x = 348,713,547,092.46
  5. Step 5: Solve for x
    x = 348,713,547,092.46/822,465.09
  6. Step 6: Final answer
    x = 423,985.83

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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.