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Finding the Fourth Proportional to 615,376.80, 924,015.60 and 335,440.80

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Solution

The fourth proportional to 615,376.80, 924,015.60 and 335,440.80 is: 503,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,376.80 : 924,015.60 = 335,440.80 : x
  2. Step 2: Convert to fraction form
    615,376.80/924,015.60 = 335,440.80/x
  3. Step 3: Cross multiply
    615,376.80x = 924,015.60 × 335,440.80
  4. Step 4: Simplify right side
    615,376.80x = 309,952,532,076.48
  5. Step 5: Solve for x
    x = 309,952,532,076.48/615,376.80
  6. Step 6: Final answer
    x = 503,679.26

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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.