Home / 743,112.76-1,115,098.16-401,557.35

Finding the Fourth Proportional to 743,112.76, 1,115,098.16 and 401,557.35

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Solution

The fourth proportional to 743,112.76, 1,115,098.16 and 401,557.35 is: 602,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,112.76 : 1,115,098.16 = 401,557.35 : x
  2. Step 2: Convert to fraction form
    743,112.76/1,115,098.16 = 401,557.35/x
  3. Step 3: Cross multiply
    743,112.76x = 1,115,098.16 × 401,557.35
  4. Step 4: Simplify right side
    743,112.76x = 447,775,861,126.69
  5. Step 5: Solve for x
    x = 447,775,861,126.69/743,112.76
  6. Step 6: Final answer
    x = 602,567.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.