Home / 854,455.80-1,281,338.10-293,201.40

Finding the Fourth Proportional to 854,455.80, 1,281,338.10 and 293,201.40

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Solution

The fourth proportional to 854,455.80, 1,281,338.10 and 293,201.40 is: 439,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,455.80 : 1,281,338.10 = 293,201.40 : x
  2. Step 2: Convert to fraction form
    854,455.80/1,281,338.10 = 293,201.40/x
  3. Step 3: Cross multiply
    854,455.80x = 1,281,338.10 × 293,201.40
  4. Step 4: Simplify right side
    854,455.80x = 375,690,124,793.34
  5. Step 5: Solve for x
    x = 375,690,124,793.34/854,455.80
  6. Step 6: Final answer
    x = 439,683.51

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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.