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Finding the Fourth Proportional to 536,590.75, 740,333.73 and 321,652.39

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Solution

The fourth proportional to 536,590.75, 740,333.73 and 321,652.39 is: 443,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,590.75 : 740,333.73 = 321,652.39 : x
  2. Step 2: Convert to fraction form
    536,590.75/740,333.73 = 321,652.39/x
  3. Step 3: Cross multiply
    536,590.75x = 740,333.73 × 321,652.39
  4. Step 4: Simplify right side
    536,590.75x = 238,130,109,950.45
  5. Step 5: Solve for x
    x = 238,130,109,950.45/536,590.75
  6. Step 6: Final answer
    x = 443,783.48

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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.