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Finding the Fourth Proportional to 615,909.80, 924,815.10 and 335,973.80

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Solution

The fourth proportional to 615,909.80, 924,815.10 and 335,973.80 is: 504,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,909.80 : 924,815.10 = 335,973.80 : x
  2. Step 2: Convert to fraction form
    615,909.80/924,815.10 = 335,973.80/x
  3. Step 3: Cross multiply
    615,909.80x = 924,815.10 × 335,973.80
  4. Step 4: Simplify right side
    615,909.80x = 310,713,643,444.38
  5. Step 5: Solve for x
    x = 310,713,643,444.38/615,909.80
  6. Step 6: Final answer
    x = 504,479.14

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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.