Home / 996,917.60-1,495,376.40-397,971.20

Finding the Fourth Proportional to 996,917.60, 1,495,376.40 and 397,971.20

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Solution

The fourth proportional to 996,917.60, 1,495,376.40 and 397,971.20 is: 596,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,917.60 : 1,495,376.40 = 397,971.20 : x
  2. Step 2: Convert to fraction form
    996,917.60/1,495,376.40 = 397,971.20/x
  3. Step 3: Cross multiply
    996,917.60x = 1,495,376.40 × 397,971.20
  4. Step 4: Simplify right side
    996,917.60x = 595,116,740,359.68
  5. Step 5: Solve for x
    x = 595,116,740,359.68/996,917.60
  6. Step 6: Final answer
    x = 596,956.80

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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.