Home / 784,212.72-1,175,685.48-304,192.68

Finding the Fourth Proportional to 784,212.72, 1,175,685.48 and 304,192.68

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Solution

The fourth proportional to 784,212.72, 1,175,685.48 and 304,192.68 is: 456,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,212.72 : 1,175,685.48 = 304,192.68 : x
  2. Step 2: Convert to fraction form
    784,212.72/1,175,685.48 = 304,192.68/x
  3. Step 3: Cross multiply
    784,212.72x = 1,175,685.48 × 304,192.68
  4. Step 4: Simplify right side
    784,212.72x = 357,634,916,998.29
  5. Step 5: Solve for x
    x = 357,634,916,998.29/784,212.72
  6. Step 6: Final answer
    x = 456,043.25

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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.