Home / 709,830.82-1,064,915.70-236,520.28

Finding the Fourth Proportional to 709,830.82, 1,064,915.70 and 236,520.28

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Solution

The fourth proportional to 709,830.82, 1,064,915.70 and 236,520.28 is: 354,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,830.82 : 1,064,915.70 = 236,520.28 : x
  2. Step 2: Convert to fraction form
    709,830.82/1,064,915.70 = 236,520.28/x
  3. Step 3: Cross multiply
    709,830.82x = 1,064,915.70 × 236,520.28
  4. Step 4: Simplify right side
    709,830.82x = 251,874,159,540.40
  5. Step 5: Solve for x
    x = 251,874,159,540.40/709,830.82
  6. Step 6: Final answer
    x = 354,836.89

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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.