Home / 509,014.68-763,260.98-269,258.04

Finding the Fourth Proportional to 509,014.68, 763,260.98 and 269,258.04

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Solution

The fourth proportional to 509,014.68, 763,260.98 and 269,258.04 is: 403,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,014.68 : 763,260.98 = 269,258.04 : x
  2. Step 2: Convert to fraction form
    509,014.68/763,260.98 = 269,258.04/x
  3. Step 3: Cross multiply
    509,014.68x = 763,260.98 × 269,258.04
  4. Step 4: Simplify right side
    509,014.68x = 205,514,155,483.28
  5. Step 5: Solve for x
    x = 205,514,155,483.28/509,014.68
  6. Step 6: Final answer
    x = 403,748.98

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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.