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Finding the Fourth Proportional to 536,791, 740,771.58 and 310,451.08

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Solution

The fourth proportional to 536,791, 740,771.58 and 310,451.08 is: 428,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,791 : 740,771.58 = 310,451.08 : x
  2. Step 2: Convert to fraction form
    536,791/740,771.58 = 310,451.08/x
  3. Step 3: Cross multiply
    536,791x = 740,771.58 × 310,451.08
  4. Step 4: Simplify right side
    536,791x = 229,973,337,044.31
  5. Step 5: Solve for x
    x = 229,973,337,044.31/536,791
  6. Step 6: Final answer
    x = 428,422.49

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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.