Home / 839,450.13-1,158,324.33-471,875.30

Finding the Fourth Proportional to 839,450.13, 1,158,324.33 and 471,875.30

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Solution

The fourth proportional to 839,450.13, 1,158,324.33 and 471,875.30 is: 651,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,450.13 : 1,158,324.33 = 471,875.30 : x
  2. Step 2: Convert to fraction form
    839,450.13/1,158,324.33 = 471,875.30/x
  3. Step 3: Cross multiply
    839,450.13x = 1,158,324.33 × 471,875.30
  4. Step 4: Simplify right side
    839,450.13x = 546,584,640,716.05
  5. Step 5: Solve for x
    x = 546,584,640,716.05/839,450.13
  6. Step 6: Final answer
    x = 651,122.23

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Double scale
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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.