Home / 798,875.51-1,195,987.75-418,895.19

Finding the Fourth Proportional to 798,875.51, 1,195,987.75 and 418,895.19

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Solution

The fourth proportional to 798,875.51, 1,195,987.75 and 418,895.19 is: 627,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,875.51 : 1,195,987.75 = 418,895.19 : x
  2. Step 2: Convert to fraction form
    798,875.51/1,195,987.75 = 418,895.19/x
  3. Step 3: Cross multiply
    798,875.51x = 1,195,987.75 × 418,895.19
  4. Step 4: Simplify right side
    798,875.51x = 500,993,514,726.69
  5. Step 5: Solve for x
    x = 500,993,514,726.69/798,875.51
  6. Step 6: Final answer
    x = 627,123.39

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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.