Home / 826,620.70-1,239,931.05-294,742.30

Finding the Fourth Proportional to 826,620.70, 1,239,931.05 and 294,742.30

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Solution

The fourth proportional to 826,620.70, 1,239,931.05 and 294,742.30 is: 442,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,620.70 : 1,239,931.05 = 294,742.30 : x
  2. Step 2: Convert to fraction form
    826,620.70/1,239,931.05 = 294,742.30/x
  3. Step 3: Cross multiply
    826,620.70x = 1,239,931.05 × 294,742.30
  4. Step 4: Simplify right side
    826,620.70x = 365,460,129,518.42
  5. Step 5: Solve for x
    x = 365,460,129,518.42/826,620.70
  6. Step 6: Final answer
    x = 442,113.45

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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.