Home / 821,290.04-1,133,268.09-458,667.62

Finding the Fourth Proportional to 821,290.04, 1,133,268.09 and 458,667.62

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Solution

The fourth proportional to 821,290.04, 1,133,268.09 and 458,667.62 is: 632,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,290.04 : 1,133,268.09 = 458,667.62 : x
  2. Step 2: Convert to fraction form
    821,290.04/1,133,268.09 = 458,667.62/x
  3. Step 3: Cross multiply
    821,290.04x = 1,133,268.09 × 458,667.62
  4. Step 4: Simplify right side
    821,290.04x = 519,793,371,995.91
  5. Step 5: Solve for x
    x = 519,793,371,995.91/821,290.04
  6. Step 6: Final answer
    x = 632,898.67

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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.