Home / 736,425.78-1,016,257.89-414,135.79

Finding the Fourth Proportional to 736,425.78, 1,016,257.89 and 414,135.79

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Solution

The fourth proportional to 736,425.78, 1,016,257.89 and 414,135.79 is: 571,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,425.78 : 1,016,257.89 = 414,135.79 : x
  2. Step 2: Convert to fraction form
    736,425.78/1,016,257.89 = 414,135.79/x
  3. Step 3: Cross multiply
    736,425.78x = 1,016,257.89 × 414,135.79
  4. Step 4: Simplify right side
    736,425.78x = 420,868,763,131.25
  5. Step 5: Solve for x
    x = 420,868,763,131.25/736,425.78
  6. Step 6: Final answer
    x = 571,501.94

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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.