Home / 811,500.92-1,119,904.24-448,918.52

Finding the Fourth Proportional to 811,500.92, 1,119,904.24 and 448,918.52

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Solution

The fourth proportional to 811,500.92, 1,119,904.24 and 448,918.52 is: 619,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,500.92 : 1,119,904.24 = 448,918.52 : x
  2. Step 2: Convert to fraction form
    811,500.92/1,119,904.24 = 448,918.52/x
  3. Step 3: Cross multiply
    811,500.92x = 1,119,904.24 × 448,918.52
  4. Step 4: Simplify right side
    811,500.92x = 502,745,753,962.53
  5. Step 5: Solve for x
    x = 502,745,753,962.53/811,500.92
  6. Step 6: Final answer
    x = 619,525.80

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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.