Home / 384,814.60-576,565.80-317,892.40

Finding the Fourth Proportional to 384,814.60, 576,565.80 and 317,892.40

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Solution

The fourth proportional to 384,814.60, 576,565.80 and 317,892.40 is: 476,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,814.60 : 576,565.80 = 317,892.40 : x
  2. Step 2: Convert to fraction form
    384,814.60/576,565.80 = 317,892.40/x
  3. Step 3: Cross multiply
    384,814.60x = 576,565.80 × 317,892.40
  4. Step 4: Simplify right side
    384,814.60x = 183,285,885,919.92
  5. Step 5: Solve for x
    x = 183,285,885,919.92/384,814.60
  6. Step 6: Final answer
    x = 476,296.60

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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.