Home / 563,734.08-777,947.49-309,084.66

Finding the Fourth Proportional to 563,734.08, 777,947.49 and 309,084.66

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Solution

The fourth proportional to 563,734.08, 777,947.49 and 309,084.66 is: 426,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,734.08 : 777,947.49 = 309,084.66 : x
  2. Step 2: Convert to fraction form
    563,734.08/777,947.49 = 309,084.66/x
  3. Step 3: Cross multiply
    563,734.08x = 777,947.49 × 309,084.66
  4. Step 4: Simplify right side
    563,734.08x = 240,451,635,444.50
  5. Step 5: Solve for x
    x = 240,451,635,444.50/563,734.08
  6. Step 6: Final answer
    x = 426,533.79

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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.