Home / 985,970.92-1,479,119.79-346,108.69

Finding the Fourth Proportional to 985,970.92, 1,479,119.79 and 346,108.69

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Solution

The fourth proportional to 985,970.92, 1,479,119.79 and 346,108.69 is: 519,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,970.92 : 1,479,119.79 = 346,108.69 : x
  2. Step 2: Convert to fraction form
    985,970.92/1,479,119.79 = 346,108.69/x
  3. Step 3: Cross multiply
    985,970.92x = 1,479,119.79 × 346,108.69
  4. Step 4: Simplify right side
    985,970.92x = 511,936,212,869.98
  5. Step 5: Solve for x
    x = 511,936,212,869.98/985,970.92
  6. Step 6: Final answer
    x = 519,220.40

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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.