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Finding the Fourth Proportional to 431,017.47, 594,761.54 and 240,048.63

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Solution

The fourth proportional to 431,017.47, 594,761.54 and 240,048.63 is: 331,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,017.47 : 594,761.54 = 240,048.63 : x
  2. Step 2: Convert to fraction form
    431,017.47/594,761.54 = 240,048.63/x
  3. Step 3: Cross multiply
    431,017.47x = 594,761.54 × 240,048.63
  4. Step 4: Simplify right side
    431,017.47x = 142,771,691,653.45
  5. Step 5: Solve for x
    x = 142,771,691,653.45/431,017.47
  6. Step 6: Final answer
    x = 331,243.40

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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.