Home / 783,146.49-1,174,720.74-214,532.58

Finding the Fourth Proportional to 783,146.49, 1,174,720.74 and 214,532.58

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Solution

The fourth proportional to 783,146.49, 1,174,720.74 and 214,532.58 is: 321,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,146.49 : 1,174,720.74 = 214,532.58 : x
  2. Step 2: Convert to fraction form
    783,146.49/1,174,720.74 = 214,532.58/x
  3. Step 3: Cross multiply
    783,146.49x = 1,174,720.74 × 214,532.58
  4. Step 4: Simplify right side
    783,146.49x = 252,015,875,939.16
  5. Step 5: Solve for x
    x = 252,015,875,939.16/783,146.49
  6. Step 6: Final answer
    x = 321,799.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.