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Finding the Fourth Proportional to 436,444.62, 602,287.75 and 245,458

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Solution

The fourth proportional to 436,444.62, 602,287.75 and 245,458 is: 338,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,444.62 : 602,287.75 = 245,458 : x
  2. Step 2: Convert to fraction form
    436,444.62/602,287.75 = 245,458/x
  3. Step 3: Cross multiply
    436,444.62x = 602,287.75 × 245,458
  4. Step 4: Simplify right side
    436,444.62x = 147,836,346,539.50
  5. Step 5: Solve for x
    x = 147,836,346,539.50/436,444.62
  6. Step 6: Final answer
    x = 338,728.76

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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.