Home / 713,638.17-1,070,457.26-240,283.89

Finding the Fourth Proportional to 713,638.17, 1,070,457.26 and 240,283.89

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Solution

The fourth proportional to 713,638.17, 1,070,457.26 and 240,283.89 is: 360,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,638.17 : 1,070,457.26 = 240,283.89 : x
  2. Step 2: Convert to fraction form
    713,638.17/1,070,457.26 = 240,283.89/x
  3. Step 3: Cross multiply
    713,638.17x = 1,070,457.26 × 240,283.89
  4. Step 4: Simplify right side
    713,638.17x = 257,213,633,310.12
  5. Step 5: Solve for x
    x = 257,213,633,310.12/713,638.17
  6. Step 6: Final answer
    x = 360,425.84

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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.