Home / 3,309,830.40-4,964,646.78-913,821.24

Finding the Fourth Proportional to 3,309,830.40, 4,964,646.78 and 913,821.24

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Solution

The fourth proportional to 3,309,830.40, 4,964,646.78 and 913,821.24 is: 1,370,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,830.40 : 4,964,646.78 = 913,821.24 : x
  2. Step 2: Convert to fraction form
    3,309,830.40/4,964,646.78 = 913,821.24/x
  3. Step 3: Cross multiply
    3,309,830.40x = 4,964,646.78 × 913,821.24
  4. Step 4: Simplify right side
    3,309,830.40x = 4,536,799,676,661.61
  5. Step 5: Solve for x
    x = 4,536,799,676,661.61/3,309,830.40
  6. Step 6: Final answer
    x = 1,370,704.58

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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.