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Finding the Fourth Proportional to 540,262.88, 745,607.67 and 298,592.63

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Solution

The fourth proportional to 540,262.88, 745,607.67 and 298,592.63 is: 412,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,262.88 : 745,607.67 = 298,592.63 : x
  2. Step 2: Convert to fraction form
    540,262.88/745,607.67 = 298,592.63/x
  3. Step 3: Cross multiply
    540,262.88x = 745,607.67 × 298,592.63
  4. Step 4: Simplify right side
    540,262.88x = 222,632,955,133.47
  5. Step 5: Solve for x
    x = 222,632,955,133.47/540,262.88
  6. Step 6: Final answer
    x = 412,082.64

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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.