Home / 657,110.40-985,665.60-433,161.60

Finding the Fourth Proportional to 657,110.40, 985,665.60 and 433,161.60

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Solution

The fourth proportional to 657,110.40, 985,665.60 and 433,161.60 is: 649,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,110.40 : 985,665.60 = 433,161.60 : x
  2. Step 2: Convert to fraction form
    657,110.40/985,665.60 = 433,161.60/x
  3. Step 3: Cross multiply
    657,110.40x = 985,665.60 × 433,161.60
  4. Step 4: Simplify right side
    657,110.40x = 426,952,488,360.96
  5. Step 5: Solve for x
    x = 426,952,488,360.96/657,110.40
  6. Step 6: Final answer
    x = 649,742.40

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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.