Home / 882,837.05-1,218,230.84-495,563.72

Finding the Fourth Proportional to 882,837.05, 1,218,230.84 and 495,563.72

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Solution

The fourth proportional to 882,837.05, 1,218,230.84 and 495,563.72 is: 683,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,837.05 : 1,218,230.84 = 495,563.72 : x
  2. Step 2: Convert to fraction form
    882,837.05/1,218,230.84 = 495,563.72/x
  3. Step 3: Cross multiply
    882,837.05x = 1,218,230.84 × 495,563.72
  4. Step 4: Simplify right side
    882,837.05x = 603,711,002,036.88
  5. Step 5: Solve for x
    x = 603,711,002,036.88/882,837.05
  6. Step 6: Final answer
    x = 683,830.62

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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.