Home / 824,530.87-1,236,566.67-291,908.89

Finding the Fourth Proportional to 824,530.87, 1,236,566.67 and 291,908.89

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Solution

The fourth proportional to 824,530.87, 1,236,566.67 and 291,908.89 is: 437,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,530.87 : 1,236,566.67 = 291,908.89 : x
  2. Step 2: Convert to fraction form
    824,530.87/1,236,566.67 = 291,908.89/x
  3. Step 3: Cross multiply
    824,530.87x = 1,236,566.67 × 291,908.89
  4. Step 4: Simplify right side
    824,530.87x = 360,964,804,050.70
  5. Step 5: Solve for x
    x = 360,964,804,050.70/824,530.87
  6. Step 6: Final answer
    x = 437,782.04

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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.