Home / 743,722.59-1,114,962.21-344,649.36

Finding the Fourth Proportional to 743,722.59, 1,114,962.21 and 344,649.36

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Solution

The fourth proportional to 743,722.59, 1,114,962.21 and 344,649.36 is: 516,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,722.59 : 1,114,962.21 = 344,649.36 : x
  2. Step 2: Convert to fraction form
    743,722.59/1,114,962.21 = 344,649.36/x
  3. Step 3: Cross multiply
    743,722.59x = 1,114,962.21 × 344,649.36
  4. Step 4: Simplify right side
    743,722.59x = 384,271,012,100.69
  5. Step 5: Solve for x
    x = 384,271,012,100.69/743,722.59
  6. Step 6: Final answer
    x = 516,685.95

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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.