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Finding the Fourth Proportional to 704,600.93, 972,601.44 and 418,120.94

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Solution

The fourth proportional to 704,600.93, 972,601.44 and 418,120.94 is: 577,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,600.93 : 972,601.44 = 418,120.94 : x
  2. Step 2: Convert to fraction form
    704,600.93/972,601.44 = 418,120.94/x
  3. Step 3: Cross multiply
    704,600.93x = 972,601.44 × 418,120.94
  4. Step 4: Simplify right side
    704,600.93x = 406,665,028,338.15
  5. Step 5: Solve for x
    x = 406,665,028,338.15/704,600.93
  6. Step 6: Final answer
    x = 577,156.53

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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.