Home / 811,461.52-1,119,796.68-448,905.52

Finding the Fourth Proportional to 811,461.52, 1,119,796.68 and 448,905.52

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Solution

The fourth proportional to 811,461.52, 1,119,796.68 and 448,905.52 is: 619,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,461.52 : 1,119,796.68 = 448,905.52 : x
  2. Step 2: Convert to fraction form
    811,461.52/1,119,796.68 = 448,905.52/x
  3. Step 3: Cross multiply
    811,461.52x = 1,119,796.68 × 448,905.52
  4. Step 4: Simplify right side
    811,461.52x = 502,682,910,929.67
  5. Step 5: Solve for x
    x = 502,682,910,929.67/811,461.52
  6. Step 6: Final answer
    x = 619,478.43

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1.5x scale

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.