Home / 687,837.56-1,032,456.18-462,489.08

Finding the Fourth Proportional to 687,837.56, 1,032,456.18 and 462,489.08

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Solution

The fourth proportional to 687,837.56, 1,032,456.18 and 462,489.08 is: 694,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,837.56 : 1,032,456.18 = 462,489.08 : x
  2. Step 2: Convert to fraction form
    687,837.56/1,032,456.18 = 462,489.08/x
  3. Step 3: Cross multiply
    687,837.56x = 1,032,456.18 × 462,489.08
  4. Step 4: Simplify right side
    687,837.56x = 477,499,708,828.51
  5. Step 5: Solve for x
    x = 477,499,708,828.51/687,837.56
  6. Step 6: Final answer
    x = 694,204.18

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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.