Home / 885,426.67-1,221,736.26-498,188.35

Finding the Fourth Proportional to 885,426.67, 1,221,736.26 and 498,188.35

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Solution

The fourth proportional to 885,426.67, 1,221,736.26 and 498,188.35 is: 687,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,426.67 : 1,221,736.26 = 498,188.35 : x
  2. Step 2: Convert to fraction form
    885,426.67/1,221,736.26 = 498,188.35/x
  3. Step 3: Cross multiply
    885,426.67x = 1,221,736.26 × 498,188.35
  4. Step 4: Simplify right side
    885,426.67x = 608,654,771,504.57
  5. Step 5: Solve for x
    x = 608,654,771,504.57/885,426.67
  6. Step 6: Final answer
    x = 687,414.09

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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.