Home / 785,167.16-1,083,530.86-427,471.16

Finding the Fourth Proportional to 785,167.16, 1,083,530.86 and 427,471.16

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Solution

The fourth proportional to 785,167.16, 1,083,530.86 and 427,471.16 is: 589,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,167.16 : 1,083,530.86 = 427,471.16 : x
  2. Step 2: Convert to fraction form
    785,167.16/1,083,530.86 = 427,471.16/x
  3. Step 3: Cross multiply
    785,167.16x = 1,083,530.86 × 427,471.16
  4. Step 4: Simplify right side
    785,167.16x = 463,178,193,620.00
  5. Step 5: Solve for x
    x = 463,178,193,620.00/785,167.16
  6. Step 6: Final answer
    x = 589,910.30

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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.