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Finding the Fourth Proportional to 536,590.04, 740,459.34 and 307,149.17

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Solution

The fourth proportional to 536,590.04, 740,459.34 and 307,149.17 is: 423,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,590.04 : 740,459.34 = 307,149.17 : x
  2. Step 2: Convert to fraction form
    536,590.04/740,459.34 = 307,149.17/x
  3. Step 3: Cross multiply
    536,590.04x = 740,459.34 × 307,149.17
  4. Step 4: Simplify right side
    536,590.04x = 227,431,467,997.45
  5. Step 5: Solve for x
    x = 227,431,467,997.45/536,590.04
  6. Step 6: Final answer
    x = 423,845.87

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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.