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Finding the Fourth Proportional to 565,026.85, 779,734.83 and 306,901.72

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Solution

The fourth proportional to 565,026.85, 779,734.83 and 306,901.72 is: 423,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,026.85 : 779,734.83 = 306,901.72 : x
  2. Step 2: Convert to fraction form
    565,026.85/779,734.83 = 306,901.72/x
  3. Step 3: Cross multiply
    565,026.85x = 779,734.83 × 306,901.72
  4. Step 4: Simplify right side
    565,026.85x = 239,301,958,521.57
  5. Step 5: Solve for x
    x = 239,301,958,521.57/565,026.85
  6. Step 6: Final answer
    x = 423,523.16

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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.