Home / 854,437.52-1,282,426.68-455,410.64

Finding the Fourth Proportional to 854,437.52, 1,282,426.68 and 455,410.64

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Solution

The fourth proportional to 854,437.52, 1,282,426.68 and 455,410.64 is: 683,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,437.52 : 1,282,426.68 = 455,410.64 : x
  2. Step 2: Convert to fraction form
    854,437.52/1,282,426.68 = 455,410.64/x
  3. Step 3: Cross multiply
    854,437.52x = 1,282,426.68 × 455,410.64
  4. Step 4: Simplify right side
    854,437.52x = 584,030,755,091.88
  5. Step 5: Solve for x
    x = 584,030,755,091.88/854,437.52
  6. Step 6: Final answer
    x = 683,526.58

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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.