Home / 556,977.28-834,717.56-303,878.50

Finding the Fourth Proportional to 556,977.28, 834,717.56 and 303,878.50

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Solution

The fourth proportional to 556,977.28, 834,717.56 and 303,878.50 is: 455,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,977.28 : 834,717.56 = 303,878.50 : x
  2. Step 2: Convert to fraction form
    556,977.28/834,717.56 = 303,878.50/x
  3. Step 3: Cross multiply
    556,977.28x = 834,717.56 × 303,878.50
  4. Step 4: Simplify right side
    556,977.28x = 253,652,721,145.56
  5. Step 5: Solve for x
    x = 253,652,721,145.56/556,977.28
  6. Step 6: Final answer
    x = 455,409.46

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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.