Home / 869,568.90-1,304,288.55-363,999.30

Finding the Fourth Proportional to 869,568.90, 1,304,288.55 and 363,999.30

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Solution

The fourth proportional to 869,568.90, 1,304,288.55 and 363,999.30 is: 545,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,568.90 : 1,304,288.55 = 363,999.30 : x
  2. Step 2: Convert to fraction form
    869,568.90/1,304,288.55 = 363,999.30/x
  3. Step 3: Cross multiply
    869,568.90x = 1,304,288.55 × 363,999.30
  4. Step 4: Simplify right side
    869,568.90x = 474,760,119,198.02
  5. Step 5: Solve for x
    x = 474,760,119,198.02/869,568.90
  6. Step 6: Final answer
    x = 545,971.82

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1.5x scale

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.