Home / 765,011.64-1,055,650.96-442,741.68

Finding the Fourth Proportional to 765,011.64, 1,055,650.96 and 442,741.68

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Solution

The fourth proportional to 765,011.64, 1,055,650.96 and 442,741.68 is: 610,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,011.64 : 1,055,650.96 = 442,741.68 : x
  2. Step 2: Convert to fraction form
    765,011.64/1,055,650.96 = 442,741.68/x
  3. Step 3: Cross multiply
    765,011.64x = 1,055,650.96 × 442,741.68
  4. Step 4: Simplify right side
    765,011.64x = 467,380,679,524.01
  5. Step 5: Solve for x
    x = 467,380,679,524.01/765,011.64
  6. Step 6: Final answer
    x = 610,945.84

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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.