Home / 412,731.84-619,097.76-272,457.60

Finding the Fourth Proportional to 412,731.84, 619,097.76 and 272,457.60

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Solution

The fourth proportional to 412,731.84, 619,097.76 and 272,457.60 is: 408,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,731.84 : 619,097.76 = 272,457.60 : x
  2. Step 2: Convert to fraction form
    412,731.84/619,097.76 = 272,457.60/x
  3. Step 3: Cross multiply
    412,731.84x = 619,097.76 × 272,457.60
  4. Step 4: Simplify right side
    412,731.84x = 168,677,889,854.98
  5. Step 5: Solve for x
    x = 168,677,889,854.98/412,731.84
  6. Step 6: Final answer
    x = 408,686.40

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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.