Home / 786,282.52-1,085,107.76-442,226.20

Finding the Fourth Proportional to 786,282.52, 1,085,107.76 and 442,226.20

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Solution

The fourth proportional to 786,282.52, 1,085,107.76 and 442,226.20 is: 610,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,282.52 : 1,085,107.76 = 442,226.20 : x
  2. Step 2: Convert to fraction form
    786,282.52/1,085,107.76 = 442,226.20/x
  3. Step 3: Cross multiply
    786,282.52x = 1,085,107.76 × 442,226.20
  4. Step 4: Simplify right side
    786,282.52x = 479,863,081,295.31
  5. Step 5: Solve for x
    x = 479,863,081,295.31/786,282.52
  6. Step 6: Final answer
    x = 610,293.46

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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.