Home / 780,625.20-1,077,235.20-441,086.16

Finding the Fourth Proportional to 780,625.20, 1,077,235.20 and 441,086.16

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Solution

The fourth proportional to 780,625.20, 1,077,235.20 and 441,086.16 is: 608,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,625.20 : 1,077,235.20 = 441,086.16 : x
  2. Step 2: Convert to fraction form
    780,625.20/1,077,235.20 = 441,086.16/x
  3. Step 3: Cross multiply
    780,625.20x = 1,077,235.20 × 441,086.16
  4. Step 4: Simplify right side
    780,625.20x = 475,153,537,784.83
  5. Step 5: Solve for x
    x = 475,153,537,784.83/780,625.20
  6. Step 6: Final answer
    x = 608,683.32

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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.