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Finding the Fourth Proportional to 540,261.63, 745,605.95 and 298,591.38

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Solution

The fourth proportional to 540,261.63, 745,605.95 and 298,591.38 is: 412,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,261.63 : 745,605.95 = 298,591.38 : x
  2. Step 2: Convert to fraction form
    540,261.63/745,605.95 = 298,591.38/x
  3. Step 3: Cross multiply
    540,261.63x = 745,605.95 × 298,591.38
  4. Step 4: Simplify right side
    540,261.63x = 222,631,508,053.75
  5. Step 5: Solve for x
    x = 222,631,508,053.75/540,261.63
  6. Step 6: Final answer
    x = 412,080.92

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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.