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Finding the Fourth Proportional to 565,064.87, 779,797.88 and 306,946.82

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Solution

The fourth proportional to 565,064.87, 779,797.88 and 306,946.82 is: 423,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,064.87 : 779,797.88 = 306,946.82 : x
  2. Step 2: Convert to fraction form
    565,064.87/779,797.88 = 306,946.82/x
  3. Step 3: Cross multiply
    565,064.87x = 779,797.88 × 306,946.82
  4. Step 4: Simplify right side
    565,064.87x = 239,356,474,075.02
  5. Step 5: Solve for x
    x = 239,356,474,075.02/565,064.87
  6. Step 6: Final answer
    x = 423,591.15

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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.