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Finding the Fourth Proportional to 661,495.08, 991,101.42 and 362,191.08

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Solution

The fourth proportional to 661,495.08, 991,101.42 and 362,191.08 is: 542,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,495.08 : 991,101.42 = 362,191.08 : x
  2. Step 2: Convert to fraction form
    661,495.08/991,101.42 = 362,191.08/x
  3. Step 3: Cross multiply
    661,495.08x = 991,101.42 × 362,191.08
  4. Step 4: Simplify right side
    661,495.08x = 358,968,093,699.33
  5. Step 5: Solve for x
    x = 358,968,093,699.33/661,495.08
  6. Step 6: Final answer
    x = 542,661.77

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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.