Home / 831,242.52-1,147,091.70-468,663.21

Finding the Fourth Proportional to 831,242.52, 1,147,091.70 and 468,663.21

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Solution

The fourth proportional to 831,242.52, 1,147,091.70 and 468,663.21 is: 646,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,242.52 : 1,147,091.70 = 468,663.21 : x
  2. Step 2: Convert to fraction form
    831,242.52/1,147,091.70 = 468,663.21/x
  3. Step 3: Cross multiply
    831,242.52x = 1,147,091.70 × 468,663.21
  4. Step 4: Simplify right side
    831,242.52x = 537,599,678,286.36
  5. Step 5: Solve for x
    x = 537,599,678,286.36/831,242.52
  6. Step 6: Final answer
    x = 646,742.27

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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.