Home / 982,308.20-1,473,462.30-509,916.20

Finding the Fourth Proportional to 982,308.20, 1,473,462.30 and 509,916.20

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Solution

The fourth proportional to 982,308.20, 1,473,462.30 and 509,916.20 is: 764,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,308.20 : 1,473,462.30 = 509,916.20 : x
  2. Step 2: Convert to fraction form
    982,308.20/1,473,462.30 = 509,916.20/x
  3. Step 3: Cross multiply
    982,308.20x = 1,473,462.30 × 509,916.20
  4. Step 4: Simplify right side
    982,308.20x = 751,342,296,859.26
  5. Step 5: Solve for x
    x = 751,342,296,859.26/982,308.20
  6. Step 6: Final answer
    x = 764,874.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.