Home / 854,267.78-1,178,550.50-491,496.42

Finding the Fourth Proportional to 854,267.78, 1,178,550.50 and 491,496.42

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Solution

The fourth proportional to 854,267.78, 1,178,550.50 and 491,496.42 is: 678,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,267.78 : 1,178,550.50 = 491,496.42 : x
  2. Step 2: Convert to fraction form
    854,267.78/1,178,550.50 = 491,496.42/x
  3. Step 3: Cross multiply
    854,267.78x = 1,178,550.50 × 491,496.42
  4. Step 4: Simplify right side
    854,267.78x = 579,253,349,081.73
  5. Step 5: Solve for x
    x = 579,253,349,081.73/854,267.78
  6. Step 6: Final answer
    x = 678,070.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.