Home / 821,250.90-1,133,214.27-458,628.54

Finding the Fourth Proportional to 821,250.90, 1,133,214.27 and 458,628.54

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Solution

The fourth proportional to 821,250.90, 1,133,214.27 and 458,628.54 is: 632,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,250.90 : 1,133,214.27 = 458,628.54 : x
  2. Step 2: Convert to fraction form
    821,250.90/1,133,214.27 = 458,628.54/x
  3. Step 3: Cross multiply
    821,250.90x = 1,133,214.27 × 458,628.54
  4. Step 4: Simplify right side
    821,250.90x = 519,724,406,157.27
  5. Step 5: Solve for x
    x = 519,724,406,157.27/821,250.90
  6. Step 6: Final answer
    x = 632,844.85

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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.