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Finding the Fourth Proportional to 436,458.32, 602,651.40 and 340,799.12

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Solution

The fourth proportional to 436,458.32, 602,651.40 and 340,799.12 is: 470,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,458.32 : 602,651.40 = 340,799.12 : x
  2. Step 2: Convert to fraction form
    436,458.32/602,651.40 = 340,799.12/x
  3. Step 3: Cross multiply
    436,458.32x = 602,651.40 × 340,799.12
  4. Step 4: Simplify right side
    436,458.32x = 205,383,066,786.77
  5. Step 5: Solve for x
    x = 205,383,066,786.77/436,458.32
  6. Step 6: Final answer
    x = 470,567.42

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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.