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Finding the Fourth Proportional to 565,064.35, 779,802.87 and 306,941.22

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Solution

The fourth proportional to 565,064.35, 779,802.87 and 306,941.22 is: 423,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,064.35 : 779,802.87 = 306,941.22 : x
  2. Step 2: Convert to fraction form
    565,064.35/779,802.87 = 306,941.22/x
  3. Step 3: Cross multiply
    565,064.35x = 779,802.87 × 306,941.22
  4. Step 4: Simplify right side
    565,064.35x = 239,353,644,277.30
  5. Step 5: Solve for x
    x = 239,353,644,277.30/565,064.35
  6. Step 6: Final answer
    x = 423,586.52

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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.