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Finding the Fourth Proportional to 869,655.60, 1,304,094.60 and 336,999.60

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Solution

The fourth proportional to 869,655.60, 1,304,094.60 and 336,999.60 is: 505,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,655.60 : 1,304,094.60 = 336,999.60 : x
  2. Step 2: Convert to fraction form
    869,655.60/1,304,094.60 = 336,999.60/x
  3. Step 3: Cross multiply
    869,655.60x = 1,304,094.60 × 336,999.60
  4. Step 4: Simplify right side
    869,655.60x = 439,479,358,562.16
  5. Step 5: Solve for x
    x = 439,479,358,562.16/869,655.60
  6. Step 6: Final answer
    x = 505,348.74

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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.