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Finding the Fourth Proportional to 442,523, 610,727.82 and 272,752.76

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Solution

The fourth proportional to 442,523, 610,727.82 and 272,752.76 is: 376,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,523 : 610,727.82 = 272,752.76 : x
  2. Step 2: Convert to fraction form
    442,523/610,727.82 = 272,752.76/x
  3. Step 3: Cross multiply
    442,523x = 610,727.82 × 272,752.76
  4. Step 4: Simplify right side
    442,523x = 166,577,698,513.78
  5. Step 5: Solve for x
    x = 166,577,698,513.78/442,523
  6. Step 6: Final answer
    x = 376,427.21

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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.