Home / 897,105.30-1,345,474.45-257,237.62

Finding the Fourth Proportional to 897,105.30, 1,345,474.45 and 257,237.62

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Solution

The fourth proportional to 897,105.30, 1,345,474.45 and 257,237.62 is: 385,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,105.30 : 1,345,474.45 = 257,237.62 : x
  2. Step 2: Convert to fraction form
    897,105.30/1,345,474.45 = 257,237.62/x
  3. Step 3: Cross multiply
    897,105.30x = 1,345,474.45 × 257,237.62
  4. Step 4: Simplify right side
    897,105.30x = 346,106,648,368.00
  5. Step 5: Solve for x
    x = 346,106,648,368.00/897,105.30
  6. Step 6: Final answer
    x = 385,803.82

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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.