Home / 834,317.05-1,151,380.20-471,795.15

Finding the Fourth Proportional to 834,317.05, 1,151,380.20 and 471,795.15

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Solution

The fourth proportional to 834,317.05, 1,151,380.20 and 471,795.15 is: 651,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,317.05 : 1,151,380.20 = 471,795.15 : x
  2. Step 2: Convert to fraction form
    834,317.05/1,151,380.20 = 471,795.15/x
  3. Step 3: Cross multiply
    834,317.05x = 1,151,380.20 × 471,795.15
  4. Step 4: Simplify right side
    834,317.05x = 543,215,594,166.03
  5. Step 5: Solve for x
    x = 543,215,594,166.03/834,317.05
  6. Step 6: Final answer
    x = 651,090.13

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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.