Home / 690,970.68-1,036,595.34-291,611.88

Finding the Fourth Proportional to 690,970.68, 1,036,595.34 and 291,611.88

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Solution

The fourth proportional to 690,970.68, 1,036,595.34 and 291,611.88 is: 437,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,970.68 : 1,036,595.34 = 291,611.88 : x
  2. Step 2: Convert to fraction form
    690,970.68/1,036,595.34 = 291,611.88/x
  3. Step 3: Cross multiply
    690,970.68x = 1,036,595.34 × 291,611.88
  4. Step 4: Simplify right side
    690,970.68x = 302,283,515,896.64
  5. Step 5: Solve for x
    x = 302,283,515,896.64/690,970.68
  6. Step 6: Final answer
    x = 437,476.62

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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.