Home / 740,308.92-1,021,564.62-434,353.32

Finding the Fourth Proportional to 740,308.92, 1,021,564.62 and 434,353.32

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Solution

The fourth proportional to 740,308.92, 1,021,564.62 and 434,353.32 is: 599,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,308.92 : 1,021,564.62 = 434,353.32 : x
  2. Step 2: Convert to fraction form
    740,308.92/1,021,564.62 = 434,353.32/x
  3. Step 3: Cross multiply
    740,308.92x = 1,021,564.62 × 434,353.32
  4. Step 4: Simplify right side
    740,308.92x = 443,719,984,291.54
  5. Step 5: Solve for x
    x = 443,719,984,291.54/740,308.92
  6. Step 6: Final answer
    x = 599,371.39

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Double scale
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Similar ratio
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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.