Home / 293,619.40-440,429.10-272,624.20

Finding the Fourth Proportional to 293,619.40, 440,429.10 and 272,624.20

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Solution

The fourth proportional to 293,619.40, 440,429.10 and 272,624.20 is: 408,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,619.40 : 440,429.10 = 272,624.20 : x
  2. Step 2: Convert to fraction form
    293,619.40/440,429.10 = 272,624.20/x
  3. Step 3: Cross multiply
    293,619.40x = 440,429.10 × 272,624.20
  4. Step 4: Simplify right side
    293,619.40x = 120,071,631,044.22
  5. Step 5: Solve for x
    x = 120,071,631,044.22/293,619.40
  6. Step 6: Final answer
    x = 408,936.30

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1.5x scale

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.