Home / 869,740.62-1,304,733.93-270,762.24

Finding the Fourth Proportional to 869,740.62, 1,304,733.93 and 270,762.24

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Solution

The fourth proportional to 869,740.62, 1,304,733.93 and 270,762.24 is: 406,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,740.62 : 1,304,733.93 = 270,762.24 : x
  2. Step 2: Convert to fraction form
    869,740.62/1,304,733.93 = 270,762.24/x
  3. Step 3: Cross multiply
    869,740.62x = 1,304,733.93 × 270,762.24
  4. Step 4: Simplify right side
    869,740.62x = 353,272,681,490.80
  5. Step 5: Solve for x
    x = 353,272,681,490.80/869,740.62
  6. Step 6: Final answer
    x = 406,181.65

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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.