Home / 707,869.28-976,868.14-385,582.02

Finding the Fourth Proportional to 707,869.28, 976,868.14 and 385,582.02

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Solution

The fourth proportional to 707,869.28, 976,868.14 and 385,582.02 is: 532,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,869.28 : 976,868.14 = 385,582.02 : x
  2. Step 2: Convert to fraction form
    707,869.28/976,868.14 = 385,582.02/x
  3. Step 3: Cross multiply
    707,869.28x = 976,868.14 × 385,582.02
  4. Step 4: Simplify right side
    707,869.28x = 376,662,790,694.84
  5. Step 5: Solve for x
    x = 376,662,790,694.84/707,869.28
  6. Step 6: Final answer
    x = 532,107.84

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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.