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Finding the Fourth Proportional to 482,762.28, 665,934.93 and 301,158.84

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Solution

The fourth proportional to 482,762.28, 665,934.93 and 301,158.84 is: 415,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,762.28 : 665,934.93 = 301,158.84 : x
  2. Step 2: Convert to fraction form
    482,762.28/665,934.93 = 301,158.84/x
  3. Step 3: Cross multiply
    482,762.28x = 665,934.93 × 301,158.84
  4. Step 4: Simplify right side
    482,762.28x = 200,552,191,034.28
  5. Step 5: Solve for x
    x = 200,552,191,034.28/482,762.28
  6. Step 6: Final answer
    x = 415,426.39

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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.