Home / 688,444.82-1,032,422.89-201,991.19

Finding the Fourth Proportional to 688,444.82, 1,032,422.89 and 201,991.19

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Solution

The fourth proportional to 688,444.82, 1,032,422.89 and 201,991.19 is: 302,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,444.82 : 1,032,422.89 = 201,991.19 : x
  2. Step 2: Convert to fraction form
    688,444.82/1,032,422.89 = 201,991.19/x
  3. Step 3: Cross multiply
    688,444.82x = 1,032,422.89 × 201,991.19
  4. Step 4: Simplify right side
    688,444.82x = 208,540,330,988.95
  5. Step 5: Solve for x
    x = 208,540,330,988.95/688,444.82
  6. Step 6: Final answer
    x = 302,915.10

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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.