Home / 869,830.70-1,304,835.62-301,210.70

Finding the Fourth Proportional to 869,830.70, 1,304,835.62 and 301,210.70

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Solution

The fourth proportional to 869,830.70, 1,304,835.62 and 301,210.70 is: 451,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,830.70 : 1,304,835.62 = 301,210.70 : x
  2. Step 2: Convert to fraction form
    869,830.70/1,304,835.62 = 301,210.70/x
  3. Step 3: Cross multiply
    869,830.70x = 1,304,835.62 × 301,210.70
  4. Step 4: Simplify right side
    869,830.70x = 393,030,442,454.90
  5. Step 5: Solve for x
    x = 393,030,442,454.90/869,830.70
  6. Step 6: Final answer
    x = 451,847.06

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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.