Home / 1,029,513.92-1,543,959.97-309,664.53

Finding the Fourth Proportional to 1,029,513.92, 1,543,959.97 and 309,664.53

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Solution

The fourth proportional to 1,029,513.92, 1,543,959.97 and 309,664.53 is: 464,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,513.92 : 1,543,959.97 = 309,664.53 : x
  2. Step 2: Convert to fraction form
    1,029,513.92/1,543,959.97 = 309,664.53/x
  3. Step 3: Cross multiply
    1,029,513.92x = 1,543,959.97 × 309,664.53
  4. Step 4: Simplify right side
    1,029,513.92x = 478,109,637,674.70
  5. Step 5: Solve for x
    x = 478,109,637,674.70/1,029,513.92
  6. Step 6: Final answer
    x = 464,403.28

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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.