Home / 873,121.92-1,204,800.48-550,710.24

Finding the Fourth Proportional to 873,121.92, 1,204,800.48 and 550,710.24

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Solution

The fourth proportional to 873,121.92, 1,204,800.48 and 550,710.24 is: 759,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,121.92 : 1,204,800.48 = 550,710.24 : x
  2. Step 2: Convert to fraction form
    873,121.92/1,204,800.48 = 550,710.24/x
  3. Step 3: Cross multiply
    873,121.92x = 1,204,800.48 × 550,710.24
  4. Step 4: Simplify right side
    873,121.92x = 663,495,961,492.92
  5. Step 5: Solve for x
    x = 663,495,961,492.92/873,121.92
  6. Step 6: Final answer
    x = 759,912.16

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Double scale
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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.