Home / 696,816.40-1,044,965.40-276,005.20

Finding the Fourth Proportional to 696,816.40, 1,044,965.40 and 276,005.20

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Solution

The fourth proportional to 696,816.40, 1,044,965.40 and 276,005.20 is: 413,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,816.40 : 1,044,965.40 = 276,005.20 : x
  2. Step 2: Convert to fraction form
    696,816.40/1,044,965.40 = 276,005.20/x
  3. Step 3: Cross multiply
    696,816.40x = 1,044,965.40 × 276,005.20
  4. Step 4: Simplify right side
    696,816.40x = 288,415,884,220.08
  5. Step 5: Solve for x
    x = 288,415,884,220.08/696,816.40
  6. Step 6: Final answer
    x = 413,905.13

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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.