Home / 821,251.02-1,133,214.45-458,628.66

Finding the Fourth Proportional to 821,251.02, 1,133,214.45 and 458,628.66

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Solution

The fourth proportional to 821,251.02, 1,133,214.45 and 458,628.66 is: 632,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,251.02 : 1,133,214.45 = 458,628.66 : x
  2. Step 2: Convert to fraction form
    821,251.02/1,133,214.45 = 458,628.66/x
  3. Step 3: Cross multiply
    821,251.02x = 1,133,214.45 × 458,628.66
  4. Step 4: Simplify right side
    821,251.02x = 519,724,622,976.28
  5. Step 5: Solve for x
    x = 519,724,622,976.28/821,251.02
  6. Step 6: Final answer
    x = 632,845.02

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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.