Home / 768,045.20-1,150,512.60-435,232.40

Finding the Fourth Proportional to 768,045.20, 1,150,512.60 and 435,232.40

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Solution

The fourth proportional to 768,045.20, 1,150,512.60 and 435,232.40 is: 651,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,045.20 : 1,150,512.60 = 435,232.40 : x
  2. Step 2: Convert to fraction form
    768,045.20/1,150,512.60 = 435,232.40/x
  3. Step 3: Cross multiply
    768,045.20x = 1,150,512.60 × 435,232.40
  4. Step 4: Simplify right side
    768,045.20x = 500,740,360,128.24
  5. Step 5: Solve for x
    x = 500,740,360,128.24/768,045.20
  6. Step 6: Final answer
    x = 651,967.31

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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.