Home / 897,107.30-1,345,477.44-257,239.62

Finding the Fourth Proportional to 897,107.30, 1,345,477.44 and 257,239.62

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Solution

The fourth proportional to 897,107.30, 1,345,477.44 and 257,239.62 is: 385,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,107.30 : 1,345,477.44 = 257,239.62 : x
  2. Step 2: Convert to fraction form
    897,107.30/1,345,477.44 = 257,239.62/x
  3. Step 3: Cross multiply
    897,107.30x = 1,345,477.44 × 257,239.62
  4. Step 4: Simplify right side
    897,107.30x = 346,110,105,384.17
  5. Step 5: Solve for x
    x = 346,110,105,384.17/897,107.30
  6. Step 6: Final answer
    x = 385,806.81

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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.