Home / 887,083.51-1,330,625.13-213,164.81

Finding the Fourth Proportional to 887,083.51, 1,330,625.13 and 213,164.81

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Solution

The fourth proportional to 887,083.51, 1,330,625.13 and 213,164.81 is: 319,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,083.51 : 1,330,625.13 = 213,164.81 : x
  2. Step 2: Convert to fraction form
    887,083.51/1,330,625.13 = 213,164.81/x
  3. Step 3: Cross multiply
    887,083.51x = 1,330,625.13 × 213,164.81
  4. Step 4: Simplify right side
    887,083.51x = 283,642,455,278.41
  5. Step 5: Solve for x
    x = 283,642,455,278.41/887,083.51
  6. Step 6: Final answer
    x = 319,747.18

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1.5x scale

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.