Home / 743,348.52-1,025,815.32-403,819.20

Finding the Fourth Proportional to 743,348.52, 1,025,815.32 and 403,819.20

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Solution

The fourth proportional to 743,348.52, 1,025,815.32 and 403,819.20 is: 557,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,348.52 : 1,025,815.32 = 403,819.20 : x
  2. Step 2: Convert to fraction form
    743,348.52/1,025,815.32 = 403,819.20/x
  3. Step 3: Cross multiply
    743,348.52x = 1,025,815.32 × 403,819.20
  4. Step 4: Simplify right side
    743,348.52x = 414,243,921,870.14
  5. Step 5: Solve for x
    x = 414,243,921,870.14/743,348.52
  6. Step 6: Final answer
    x = 557,267.43

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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.