Home / 768,045.70-1,150,513.35-435,232.90

Finding the Fourth Proportional to 768,045.70, 1,150,513.35 and 435,232.90

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Solution

The fourth proportional to 768,045.70, 1,150,513.35 and 435,232.90 is: 651,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,045.70 : 1,150,513.35 = 435,232.90 : x
  2. Step 2: Convert to fraction form
    768,045.70/1,150,513.35 = 435,232.90/x
  3. Step 3: Cross multiply
    768,045.70x = 1,150,513.35 × 435,232.90
  4. Step 4: Simplify right side
    768,045.70x = 500,741,261,809.22
  5. Step 5: Solve for x
    x = 500,741,261,809.22/768,045.70
  6. Step 6: Final answer
    x = 651,968.06

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1.5x scale

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.