Home / 780,669.64-1,077,310.08-441,130.60

Finding the Fourth Proportional to 780,669.64, 1,077,310.08 and 441,130.60

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Solution

The fourth proportional to 780,669.64, 1,077,310.08 and 441,130.60 is: 608,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,669.64 : 1,077,310.08 = 441,130.60 : x
  2. Step 2: Convert to fraction form
    780,669.64/1,077,310.08 = 441,130.60/x
  3. Step 3: Cross multiply
    780,669.64x = 1,077,310.08 × 441,130.60
  4. Step 4: Simplify right side
    780,669.64x = 475,234,441,976.45
  5. Step 5: Solve for x
    x = 475,234,441,976.45/780,669.64
  6. Step 6: Final answer
    x = 608,752.30

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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.