Home / 673,615.20-1,010,422.80-299,638.20

Finding the Fourth Proportional to 673,615.20, 1,010,422.80 and 299,638.20

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Solution

The fourth proportional to 673,615.20, 1,010,422.80 and 299,638.20 is: 449,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,615.20 : 1,010,422.80 = 299,638.20 : x
  2. Step 2: Convert to fraction form
    673,615.20/1,010,422.80 = 299,638.20/x
  3. Step 3: Cross multiply
    673,615.20x = 1,010,422.80 × 299,638.20
  4. Step 4: Simplify right side
    673,615.20x = 302,761,269,030.96
  5. Step 5: Solve for x
    x = 302,761,269,030.96/673,615.20
  6. Step 6: Final answer
    x = 449,457.30

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Double scale
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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.