Home / 917,803.64-1,376,563.31-468,856.28

Finding the Fourth Proportional to 917,803.64, 1,376,563.31 and 468,856.28

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Solution

The fourth proportional to 917,803.64, 1,376,563.31 and 468,856.28 is: 703,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,803.64 : 1,376,563.31 = 468,856.28 : x
  2. Step 2: Convert to fraction form
    917,803.64/1,376,563.31 = 468,856.28/x
  3. Step 3: Cross multiply
    917,803.64x = 1,376,563.31 × 468,856.28
  4. Step 4: Simplify right side
    917,803.64x = 645,410,355,566.43
  5. Step 5: Solve for x
    x = 645,410,355,566.43/917,803.64
  6. Step 6: Final answer
    x = 703,211.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.