Home / 872,511.48-1,204,048.44-485,318.52

Finding the Fourth Proportional to 872,511.48, 1,204,048.44 and 485,318.52

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Solution

The fourth proportional to 872,511.48, 1,204,048.44 and 485,318.52 is: 669,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,511.48 : 1,204,048.44 = 485,318.52 : x
  2. Step 2: Convert to fraction form
    872,511.48/1,204,048.44 = 485,318.52/x
  3. Step 3: Cross multiply
    872,511.48x = 1,204,048.44 × 485,318.52
  4. Step 4: Simplify right side
    872,511.48x = 584,347,006,909.11
  5. Step 5: Solve for x
    x = 584,347,006,909.11/872,511.48
  6. Step 6: Final answer
    x = 669,729.88

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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.