Home / 880,308.36-1,214,835.30-498,326.76

Finding the Fourth Proportional to 880,308.36, 1,214,835.30 and 498,326.76

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Solution

The fourth proportional to 880,308.36, 1,214,835.30 and 498,326.76 is: 687,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,308.36 : 1,214,835.30 = 498,326.76 : x
  2. Step 2: Convert to fraction form
    880,308.36/1,214,835.30 = 498,326.76/x
  3. Step 3: Cross multiply
    880,308.36x = 1,214,835.30 × 498,326.76
  4. Step 4: Simplify right side
    880,308.36x = 605,384,938,982.63
  5. Step 5: Solve for x
    x = 605,384,938,982.63/880,308.36
  6. Step 6: Final answer
    x = 687,696.46

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Double scale
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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.