Home / 740,813.25-1,022,301.38-434,884.76

Finding the Fourth Proportional to 740,813.25, 1,022,301.38 and 434,884.76

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Solution

The fourth proportional to 740,813.25, 1,022,301.38 and 434,884.76 is: 600,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,813.25 : 1,022,301.38 = 434,884.76 : x
  2. Step 2: Convert to fraction form
    740,813.25/1,022,301.38 = 434,884.76/x
  3. Step 3: Cross multiply
    740,813.25x = 1,022,301.38 × 434,884.76
  4. Step 4: Simplify right side
    740,813.25x = 444,583,283,003.04
  5. Step 5: Solve for x
    x = 444,583,283,003.04/740,813.25
  6. Step 6: Final answer
    x = 600,128.69

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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.