Home / 767,860.64-1,059,467.28-465,996.32

Finding the Fourth Proportional to 767,860.64, 1,059,467.28 and 465,996.32

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Solution

The fourth proportional to 767,860.64, 1,059,467.28 and 465,996.32 is: 642,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,860.64 : 1,059,467.28 = 465,996.32 : x
  2. Step 2: Convert to fraction form
    767,860.64/1,059,467.28 = 465,996.32/x
  3. Step 3: Cross multiply
    767,860.64x = 1,059,467.28 × 465,996.32
  4. Step 4: Simplify right side
    767,860.64x = 493,707,853,640.41
  5. Step 5: Solve for x
    x = 493,707,853,640.41/767,860.64
  6. Step 6: Final answer
    x = 642,965.44

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1.5x scale

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.