Home / 699,146.28-964,676.99-408,701.45

Finding the Fourth Proportional to 699,146.28, 964,676.99 and 408,701.45

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Solution

The fourth proportional to 699,146.28, 964,676.99 and 408,701.45 is: 563,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,146.28 : 964,676.99 = 408,701.45 : x
  2. Step 2: Convert to fraction form
    699,146.28/964,676.99 = 408,701.45/x
  3. Step 3: Cross multiply
    699,146.28x = 964,676.99 × 408,701.45
  4. Step 4: Simplify right side
    699,146.28x = 394,264,877,727.74
  5. Step 5: Solve for x
    x = 394,264,877,727.74/699,146.28
  6. Step 6: Final answer
    x = 563,923.30

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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.