Home / 821,102.00-1,133,055.45-458,504.21

Finding the Fourth Proportional to 821,102.00, 1,133,055.45 and 458,504.21

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Solution

The fourth proportional to 821,102.00, 1,133,055.45 and 458,504.21 is: 632,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,102.00 : 1,133,055.45 = 458,504.21 : x
  2. Step 2: Convert to fraction form
    821,102.00/1,133,055.45 = 458,504.21/x
  3. Step 3: Cross multiply
    821,102.00x = 1,133,055.45 × 458,504.21
  4. Step 4: Simplify right side
    821,102.00x = 519,510,696,821.08
  5. Step 5: Solve for x
    x = 519,510,696,821.08/821,102.00
  6. Step 6: Final answer
    x = 632,699.35

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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.