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Finding the Fourth Proportional to 436,796.48, 602,543.52 and 291,851.84

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Solution

The fourth proportional to 436,796.48, 602,543.52 and 291,851.84 is: 402,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,796.48 : 602,543.52 = 291,851.84 : x
  2. Step 2: Convert to fraction form
    436,796.48/602,543.52 = 291,851.84/x
  3. Step 3: Cross multiply
    436,796.48x = 602,543.52 × 291,851.84
  4. Step 4: Simplify right side
    436,796.48x = 175,853,434,992.08
  5. Step 5: Solve for x
    x = 175,853,434,992.08/436,796.48
  6. Step 6: Final answer
    x = 402,598.10

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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.