Home / 759,697.65-1,048,231.13-420,100.29

Finding the Fourth Proportional to 759,697.65, 1,048,231.13 and 420,100.29

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Solution

The fourth proportional to 759,697.65, 1,048,231.13 and 420,100.29 is: 579,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,697.65 : 1,048,231.13 = 420,100.29 : x
  2. Step 2: Convert to fraction form
    759,697.65/1,048,231.13 = 420,100.29/x
  3. Step 3: Cross multiply
    759,697.65x = 1,048,231.13 × 420,100.29
  4. Step 4: Simplify right side
    759,697.65x = 440,362,199,599.53
  5. Step 5: Solve for x
    x = 440,362,199,599.53/759,697.65
  6. Step 6: Final answer
    x = 579,654.55

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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.