Home / 943,229.79-1,301,649.30-513,509.04

Finding the Fourth Proportional to 943,229.79, 1,301,649.30 and 513,509.04

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Solution

The fourth proportional to 943,229.79, 1,301,649.30 and 513,509.04 is: 708,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,229.79 : 1,301,649.30 = 513,509.04 : x
  2. Step 2: Convert to fraction form
    943,229.79/1,301,649.30 = 513,509.04/x
  3. Step 3: Cross multiply
    943,229.79x = 1,301,649.30 × 513,509.04
  4. Step 4: Simplify right side
    943,229.79x = 668,408,682,459.67
  5. Step 5: Solve for x
    x = 668,408,682,459.67/943,229.79
  6. Step 6: Final answer
    x = 708,638.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.