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Finding the Fourth Proportional to 565,157.98, 779,918.94 and 307,035.94

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Solution

The fourth proportional to 565,157.98, 779,918.94 and 307,035.94 is: 423,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,157.98 : 779,918.94 = 307,035.94 : x
  2. Step 2: Convert to fraction form
    565,157.98/779,918.94 = 307,035.94/x
  3. Step 3: Cross multiply
    565,157.98x = 779,918.94 × 307,035.94
  4. Step 4: Simplify right side
    565,157.98x = 239,463,144,099.11
  5. Step 5: Solve for x
    x = 239,463,144,099.11/565,157.98
  6. Step 6: Final answer
    x = 423,710.10

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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.